20282374420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{33857}}^1$

素因数の和:34273

約数の個数: 96

約数和(自身を含む): 53241027840

約数和(自身を除く): 32958653420

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 389, 770, 778, 1540, 1556, 1945, 2723, 3890, 4279, 5446, 7780, 8558, 10892, 13615, 17116, 21395, 27230, 29953, 33857, 42790, 54460, 59906, 67714, 85580, 119812, 135428, 149765, 169285, 236999, 299530, 338570, 372427, 473998, 599060, 677140, 744854, 947996, 1184995, 1489708, 1862135, 2369990, 2606989, 3724270, 4739980, 5213978, 7448540, 10427956, 13034945, 13170373, 26069890, 26340746, 52139780, 52681492, 65851865, 92192611, 131703730, 144874103, 184385222, 263407460, 289748206, 368770444, 460963055, 579496412, 724370515, 921926110, 1014118721, 1448741030, 1843852220, 2028237442, 2897482060, 4056474884, 5070593605, 10141187210, 20282374420]

約数ペア:

[(1, 20282374420), (2, 10141187210), (4, 5070593605), (5, 4056474884), (7, 2897482060), (10, 2028237442), (11, 1843852220), (14, 1448741030), (20, 1014118721), (22, 921926110), (28, 724370515), (35, 579496412), (44, 460963055), (55, 368770444), (70, 289748206), (77, 263407460), (110, 184385222), (140, 144874103), (154, 131703730), (220, 92192611), (308, 65851865), (385, 52681492), (389, 52139780), (770, 26340746), (778, 26069890), (1540, 13170373), (1556, 13034945), (1945, 10427956), (2723, 7448540), (3890, 5213978), (4279, 4739980), (5446, 3724270), (7780, 2606989), (8558, 2369990), (10892, 1862135), (13615, 1489708), (17116, 1184995), (21395, 947996), (27230, 744854), (29953, 677140), (33857, 599060), (42790, 473998), (54460, 372427), (59906, 338570), (67714, 299530), (85580, 236999), (119812, 169285), (135428, 149765)]