20774340

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:139

約数の個数: 192

約数和(自身を含む): 71608320

約数和(自身を除く): 50833980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 31, 34, 36, 45, 51, 54, 60, 62, 68, 73, 85, 90, 93, 102, 108, 124, 135, 146, 153, 155, 170, 180, 186, 204, 219, 255, 270, 279, 292, 306, 310, 340, 365, 372, 438, 459, 465, 510, 527, 540, 558, 612, 620, 657, 730, 765, 837, 876, 918, 930, 1020, 1054, 1095, 1116, 1241, 1314, 1395, 1460, 1530, 1581, 1674, 1836, 1860, 1971, 2108, 2190, 2263, 2295, 2482, 2628, 2635, 2790, 3060, 3162, 3285, 3348, 3723, 3942, 4185, 4380, 4526, 4590, 4743, 4964, 5270, 5580, 6205, 6324, 6570, 6789, 7446, 7884, 7905, 8370, 9052, 9180, 9486, 9855, 10540, 11169, 11315, 12410, 13140, 13578, 14229, 14892, 15810, 16740, 18615, 18972, 19710, 20367, 22338, 22630, 23715, 24820, 27156, 28458, 31620, 33507, 33945, 37230, 38471, 39420, 40734, 44676, 45260, 47430, 55845, 56916, 61101, 67014, 67890, 71145, 74460, 76942, 81468, 94860, 101835, 111690, 115413, 122202, 134028, 135780, 142290, 153884, 167535, 192355, 203670, 223380, 230826, 244404, 284580, 305505, 335070, 346239, 384710, 407340, 461652, 577065, 611010, 670140, 692478, 769420, 1038717, 1154130, 1222020, 1384956, 1731195, 2077434, 2308260, 3462390, 4154868, 5193585, 6924780, 10387170, 20774340]

約数ペア:

[(1, 20774340), (2, 10387170), (3, 6924780), (4, 5193585), (5, 4154868), (6, 3462390), (9, 2308260), (10, 2077434), (12, 1731195), (15, 1384956), (17, 1222020), (18, 1154130), (20, 1038717), (27, 769420), (30, 692478), (31, 670140), (34, 611010), (36, 577065), (45, 461652), (51, 407340), (54, 384710), (60, 346239), (62, 335070), (68, 305505), (73, 284580), (85, 244404), (90, 230826), (93, 223380), (102, 203670), (108, 192355), (124, 167535), (135, 153884), (146, 142290), (153, 135780), (155, 134028), (170, 122202), (180, 115413), (186, 111690), (204, 101835), (219, 94860), (255, 81468), (270, 76942), (279, 74460), (292, 71145), (306, 67890), (310, 67014), (340, 61101), (365, 56916), (372, 55845), (438, 47430), (459, 45260), (465, 44676), (510, 40734), (527, 39420), (540, 38471), (558, 37230), (612, 33945), (620, 33507), (657, 31620), (730, 28458), (765, 27156), (837, 24820), (876, 23715), (918, 22630), (930, 22338), (1020, 20367), (1054, 19710), (1095, 18972), (1116, 18615), (1241, 16740), (1314, 15810), (1395, 14892), (1460, 14229), (1530, 13578), (1581, 13140), (1674, 12410), (1836, 11315), (1860, 11169), (1971, 10540), (2108, 9855), (2190, 9486), (2263, 9180), (2295, 9052), (2482, 8370), (2628, 7905), (2635, 7884), (2790, 7446), (3060, 6789), (3162, 6570), (3285, 6324), (3348, 6205), (3723, 5580), (3942, 5270), (4185, 4964), (4380, 4743), (4526, 4590)]