20324520

素因数分解:

$2^3\times 3^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1$

素因数の和:87

約数の個数: 224

約数和(自身を含む): 74367720

約数和(自身を除く): 54043200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 34, 36, 40, 41, 45, 51, 54, 60, 68, 72, 81, 82, 85, 90, 102, 108, 120, 123, 135, 136, 153, 162, 164, 170, 180, 204, 205, 216, 243, 246, 255, 270, 306, 324, 328, 340, 360, 369, 405, 408, 410, 459, 486, 492, 510, 540, 612, 615, 648, 680, 697, 729, 738, 765, 810, 820, 918, 972, 984, 1020, 1080, 1107, 1215, 1224, 1230, 1377, 1394, 1458, 1476, 1530, 1620, 1640, 1836, 1845, 1944, 2040, 2091, 2214, 2295, 2430, 2460, 2754, 2788, 2916, 2952, 3060, 3240, 3321, 3485, 3645, 3672, 3690, 4131, 4182, 4428, 4590, 4860, 4920, 5508, 5535, 5576, 5832, 6120, 6273, 6642, 6885, 6970, 7290, 7380, 8262, 8364, 8856, 9180, 9720, 9963, 10455, 11016, 11070, 12393, 12546, 13284, 13770, 13940, 14580, 14760, 16524, 16605, 16728, 18360, 18819, 19926, 20655, 20910, 22140, 24786, 25092, 26568, 27540, 27880, 29160, 29889, 31365, 33048, 33210, 37638, 39852, 41310, 41820, 44280, 49572, 49815, 50184, 55080, 56457, 59778, 61965, 62730, 66420, 75276, 79704, 82620, 83640, 94095, 99144, 99630, 112914, 119556, 123930, 125460, 132840, 149445, 150552, 165240, 169371, 188190, 199260, 225828, 239112, 247860, 250920, 282285, 298890, 338742, 376380, 398520, 451656, 495720, 508113, 564570, 597780, 677484, 752760, 846855, 1016226, 1129140, 1195560, 1354968, 1693710, 2032452, 2258280, 2540565, 3387420, 4064904, 5081130, 6774840, 10162260, 20324520]

約数ペア:

[(1, 20324520), (2, 10162260), (3, 6774840), (4, 5081130), (5, 4064904), (6, 3387420), (8, 2540565), (9, 2258280), (10, 2032452), (12, 1693710), (15, 1354968), (17, 1195560), (18, 1129140), (20, 1016226), (24, 846855), (27, 752760), (30, 677484), (34, 597780), (36, 564570), (40, 508113), (41, 495720), (45, 451656), (51, 398520), (54, 376380), (60, 338742), (68, 298890), (72, 282285), (81, 250920), (82, 247860), (85, 239112), (90, 225828), (102, 199260), (108, 188190), (120, 169371), (123, 165240), (135, 150552), (136, 149445), (153, 132840), (162, 125460), (164, 123930), (170, 119556), (180, 112914), (204, 99630), (205, 99144), (216, 94095), (243, 83640), (246, 82620), (255, 79704), (270, 75276), (306, 66420), (324, 62730), (328, 61965), (340, 59778), (360, 56457), (369, 55080), (405, 50184), (408, 49815), (410, 49572), (459, 44280), (486, 41820), (492, 41310), (510, 39852), (540, 37638), (612, 33210), (615, 33048), (648, 31365), (680, 29889), (697, 29160), (729, 27880), (738, 27540), (765, 26568), (810, 25092), (820, 24786), (918, 22140), (972, 20910), (984, 20655), (1020, 19926), (1080, 18819), (1107, 18360), (1215, 16728), (1224, 16605), (1230, 16524), (1377, 14760), (1394, 14580), (1458, 13940), (1476, 13770), (1530, 13284), (1620, 12546), (1640, 12393), (1836, 11070), (1845, 11016), (1944, 10455), (2040, 9963), (2091, 9720), (2214, 9180), (2295, 8856), (2430, 8364), (2460, 8262), (2754, 7380), (2788, 7290), (2916, 6970), (2952, 6885), (3060, 6642), (3240, 6273), (3321, 6120), (3485, 5832), (3645, 5576), (3672, 5535), (3690, 5508), (4131, 4920), (4182, 4860), (4428, 4590)]