20575320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5531}}^1$

素因数の和:5576

約数の個数: 64

約数和(自身を含む): 63728640

約数和(自身を除く): 43153320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 5531, 11062, 16593, 22124, 27655, 33186, 44248, 55310, 66372, 82965, 110620, 132744, 165930, 171461, 221240, 331860, 342922, 514383, 663720, 685844, 857305, 1028766, 1371688, 1714610, 2057532, 2571915, 3429220, 4115064, 5143830, 6858440, 10287660, 20575320]

約数ペア:

[(1, 20575320), (2, 10287660), (3, 6858440), (4, 5143830), (5, 4115064), (6, 3429220), (8, 2571915), (10, 2057532), (12, 1714610), (15, 1371688), (20, 1028766), (24, 857305), (30, 685844), (31, 663720), (40, 514383), (60, 342922), (62, 331860), (93, 221240), (120, 171461), (124, 165930), (155, 132744), (186, 110620), (248, 82965), (310, 66372), (372, 55310), (465, 44248), (620, 33186), (744, 27655), (930, 22124), (1240, 16593), (1860, 11062), (3720, 5531)]