20120850

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{733}}^1$

素因数の和:812

約数の個数: 72

約数和(自身を含む): 55019172

約数和(自身を除く): 34898322

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 61, 75, 90, 122, 150, 183, 225, 305, 366, 450, 549, 610, 733, 915, 1098, 1466, 1525, 1830, 2199, 2745, 3050, 3665, 4398, 4575, 5490, 6597, 7330, 9150, 10995, 13194, 13725, 18325, 21990, 27450, 32985, 36650, 44713, 54975, 65970, 89426, 109950, 134139, 164925, 223565, 268278, 329850, 402417, 447130, 670695, 804834, 1117825, 1341390, 2012085, 2235650, 3353475, 4024170, 6706950, 10060425, 20120850]

約数ペア:

[(1, 20120850), (2, 10060425), (3, 6706950), (5, 4024170), (6, 3353475), (9, 2235650), (10, 2012085), (15, 1341390), (18, 1117825), (25, 804834), (30, 670695), (45, 447130), (50, 402417), (61, 329850), (75, 268278), (90, 223565), (122, 164925), (150, 134139), (183, 109950), (225, 89426), (305, 65970), (366, 54975), (450, 44713), (549, 36650), (610, 32985), (733, 27450), (915, 21990), (1098, 18325), (1466, 13725), (1525, 13194), (1830, 10995), (2199, 9150), (2745, 7330), (3050, 6597), (3665, 5490), (4398, 4575)]