20370420

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1$

素因数の和:359

約数の個数: 192

約数和(自身を含む): 76930560

約数和(自身を除く): 56560140

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 27, 28, 30, 34, 35, 36, 42, 45, 51, 54, 60, 63, 68, 70, 84, 85, 90, 102, 105, 108, 119, 126, 135, 140, 153, 170, 180, 189, 204, 210, 238, 252, 255, 270, 306, 315, 317, 340, 357, 378, 420, 459, 476, 510, 540, 595, 612, 630, 634, 714, 756, 765, 918, 945, 951, 1020, 1071, 1190, 1260, 1268, 1428, 1530, 1585, 1785, 1836, 1890, 1902, 2142, 2219, 2295, 2380, 2853, 3060, 3170, 3213, 3570, 3780, 3804, 4284, 4438, 4590, 4755, 5355, 5389, 5706, 6340, 6426, 6657, 7140, 8559, 8876, 9180, 9510, 10710, 10778, 11095, 11412, 12852, 13314, 14265, 16065, 16167, 17118, 19020, 19971, 21420, 21556, 22190, 26628, 26945, 28530, 32130, 32334, 33285, 34236, 37723, 39942, 42795, 44380, 48501, 53890, 57060, 59913, 64260, 64668, 66570, 75446, 79884, 80835, 85590, 97002, 99855, 107780, 113169, 119826, 133140, 145503, 150892, 161670, 171180, 188615, 194004, 199710, 226338, 239652, 242505, 291006, 299565, 323340, 339507, 377230, 399420, 452676, 485010, 565845, 582012, 599130, 679014, 727515, 754460, 970020, 1018521, 1131690, 1198260, 1358028, 1455030, 1697535, 2037042, 2263380, 2910060, 3395070, 4074084, 5092605, 6790140, 10185210, 20370420]

約数ペア:

[(1, 20370420), (2, 10185210), (3, 6790140), (4, 5092605), (5, 4074084), (6, 3395070), (7, 2910060), (9, 2263380), (10, 2037042), (12, 1697535), (14, 1455030), (15, 1358028), (17, 1198260), (18, 1131690), (20, 1018521), (21, 970020), (27, 754460), (28, 727515), (30, 679014), (34, 599130), (35, 582012), (36, 565845), (42, 485010), (45, 452676), (51, 399420), (54, 377230), (60, 339507), (63, 323340), (68, 299565), (70, 291006), (84, 242505), (85, 239652), (90, 226338), (102, 199710), (105, 194004), (108, 188615), (119, 171180), (126, 161670), (135, 150892), (140, 145503), (153, 133140), (170, 119826), (180, 113169), (189, 107780), (204, 99855), (210, 97002), (238, 85590), (252, 80835), (255, 79884), (270, 75446), (306, 66570), (315, 64668), (317, 64260), (340, 59913), (357, 57060), (378, 53890), (420, 48501), (459, 44380), (476, 42795), (510, 39942), (540, 37723), (595, 34236), (612, 33285), (630, 32334), (634, 32130), (714, 28530), (756, 26945), (765, 26628), (918, 22190), (945, 21556), (951, 21420), (1020, 19971), (1071, 19020), (1190, 17118), (1260, 16167), (1268, 16065), (1428, 14265), (1530, 13314), (1585, 12852), (1785, 11412), (1836, 11095), (1890, 10778), (1902, 10710), (2142, 9510), (2219, 9180), (2295, 8876), (2380, 8559), (2853, 7140), (3060, 6657), (3170, 6426), (3213, 6340), (3570, 5706), (3780, 5389), (3804, 5355), (4284, 4755), (4438, 4590)]