20659950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1481}}^1$

素因数の和:1530

約数の個数: 72

約数和(自身を含む): 57335616

約数和(自身を除く): 36675666

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 31, 45, 50, 62, 75, 90, 93, 150, 155, 186, 225, 279, 310, 450, 465, 558, 775, 930, 1395, 1481, 1550, 2325, 2790, 2962, 4443, 4650, 6975, 7405, 8886, 13329, 13950, 14810, 22215, 26658, 37025, 44430, 45911, 66645, 74050, 91822, 111075, 133290, 137733, 222150, 229555, 275466, 333225, 413199, 459110, 666450, 688665, 826398, 1147775, 1377330, 2065995, 2295550, 3443325, 4131990, 6886650, 10329975, 20659950]

約数ペア:

[(1, 20659950), (2, 10329975), (3, 6886650), (5, 4131990), (6, 3443325), (9, 2295550), (10, 2065995), (15, 1377330), (18, 1147775), (25, 826398), (30, 688665), (31, 666450), (45, 459110), (50, 413199), (62, 333225), (75, 275466), (90, 229555), (93, 222150), (150, 137733), (155, 133290), (186, 111075), (225, 91822), (279, 74050), (310, 66645), (450, 45911), (465, 44430), (558, 37025), (775, 26658), (930, 22215), (1395, 14810), (1481, 13950), (1550, 13329), (2325, 8886), (2790, 7405), (2962, 6975), (4443, 4650)]