20902350

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1171}}^1$

素因数の和:1210

約数の個数: 96

約数和(自身を含む): 62781696

約数和(自身を除く): 41879346

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 25, 30, 34, 35, 42, 50, 51, 70, 75, 85, 102, 105, 119, 150, 170, 175, 210, 238, 255, 350, 357, 425, 510, 525, 595, 714, 850, 1050, 1171, 1190, 1275, 1785, 2342, 2550, 2975, 3513, 3570, 5855, 5950, 7026, 8197, 8925, 11710, 16394, 17565, 17850, 19907, 24591, 29275, 35130, 39814, 40985, 49182, 58550, 59721, 81970, 87825, 99535, 119442, 122955, 139349, 175650, 199070, 204925, 245910, 278698, 298605, 409850, 418047, 497675, 597210, 614775, 696745, 836094, 995350, 1229550, 1393490, 1493025, 2090235, 2986050, 3483725, 4180470, 6967450, 10451175, 20902350]

約数ペア:

[(1, 20902350), (2, 10451175), (3, 6967450), (5, 4180470), (6, 3483725), (7, 2986050), (10, 2090235), (14, 1493025), (15, 1393490), (17, 1229550), (21, 995350), (25, 836094), (30, 696745), (34, 614775), (35, 597210), (42, 497675), (50, 418047), (51, 409850), (70, 298605), (75, 278698), (85, 245910), (102, 204925), (105, 199070), (119, 175650), (150, 139349), (170, 122955), (175, 119442), (210, 99535), (238, 87825), (255, 81970), (350, 59721), (357, 58550), (425, 49182), (510, 40985), (525, 39814), (595, 35130), (714, 29275), (850, 24591), (1050, 19907), (1171, 17850), (1190, 17565), (1275, 16394), (1785, 11710), (2342, 8925), (2550, 8197), (2975, 7026), (3513, 5950), (3570, 5855)]