20323290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^2$

素因数の和:136

約数の個数: 96

約数和(自身を含む): 55577088

約数和(自身を除く): 35253798

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 41, 62, 65, 78, 82, 93, 123, 130, 155, 186, 195, 205, 246, 310, 390, 403, 410, 465, 533, 615, 806, 930, 1066, 1209, 1230, 1271, 1599, 1681, 2015, 2418, 2542, 2665, 3198, 3362, 3813, 4030, 5043, 5330, 6045, 6355, 7626, 7995, 8405, 10086, 12090, 12710, 15990, 16523, 16810, 19065, 21853, 25215, 33046, 38130, 43706, 49569, 50430, 52111, 65559, 82615, 99138, 104222, 109265, 131118, 156333, 165230, 218530, 247845, 260555, 312666, 327795, 495690, 521110, 655590, 677443, 781665, 1354886, 1563330, 2032329, 3387215, 4064658, 6774430, 10161645, 20323290]

約数ペア:

[(1, 20323290), (2, 10161645), (3, 6774430), (5, 4064658), (6, 3387215), (10, 2032329), (13, 1563330), (15, 1354886), (26, 781665), (30, 677443), (31, 655590), (39, 521110), (41, 495690), (62, 327795), (65, 312666), (78, 260555), (82, 247845), (93, 218530), (123, 165230), (130, 156333), (155, 131118), (186, 109265), (195, 104222), (205, 99138), (246, 82615), (310, 65559), (390, 52111), (403, 50430), (410, 49569), (465, 43706), (533, 38130), (615, 33046), (806, 25215), (930, 21853), (1066, 19065), (1209, 16810), (1230, 16523), (1271, 15990), (1599, 12710), (1681, 12090), (2015, 10086), (2418, 8405), (2542, 7995), (2665, 7626), (3198, 6355), (3362, 6045), (3813, 5330), (4030, 5043)]