20650901880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{2351}}^1\times {\mathrm{10457}}^1$

素因数の和:12829

約数の個数: 128

約数和(自身を含む): 70839982080

約数和(自身を除く): 50189080200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 2351, 4702, 7053, 9404, 10457, 11755, 14106, 16457, 18808, 20914, 23510, 28212, 31371, 32914, 35265, 41828, 47020, 49371, 52285, 56424, 62742, 65828, 70530, 73199, 82285, 83656, 94040, 98742, 104570, 125484, 131656, 141060, 146398, 156855, 164570, 197484, 209140, 219597, 246855, 250968, 282120, 292796, 313710, 329140, 365995, 394968, 418280, 439194, 493710, 585592, 627420, 658280, 731990, 878388, 987420, 1097985, 1254840, 1463980, 1756776, 1974840, 2195970, 2927960, 4391940, 8783880, 24584407, 49168814, 73753221, 98337628, 122922035, 147506442, 172090849, 196675256, 245844070, 295012884, 344181698, 368766105, 491688140, 516272547, 590025768, 688363396, 737532210, 860454245, 983376280, 1032545094, 1376726792, 1475064420, 1720908490, 2065090188, 2581362735, 2950128840, 3441816980, 4130180376, 5162725470, 6883633960, 10325450940, 20650901880]

約数ペア:

[(1, 20650901880), (2, 10325450940), (3, 6883633960), (4, 5162725470), (5, 4130180376), (6, 3441816980), (7, 2950128840), (8, 2581362735), (10, 2065090188), (12, 1720908490), (14, 1475064420), (15, 1376726792), (20, 1032545094), (21, 983376280), (24, 860454245), (28, 737532210), (30, 688363396), (35, 590025768), (40, 516272547), (42, 491688140), (56, 368766105), (60, 344181698), (70, 295012884), (84, 245844070), (105, 196675256), (120, 172090849), (140, 147506442), (168, 122922035), (210, 98337628), (280, 73753221), (420, 49168814), (840, 24584407), (2351, 8783880), (4702, 4391940), (7053, 2927960), (9404, 2195970), (10457, 1974840), (11755, 1756776), (14106, 1463980), (16457, 1254840), (18808, 1097985), (20914, 987420), (23510, 878388), (28212, 731990), (31371, 658280), (32914, 627420), (35265, 585592), (41828, 493710), (47020, 439194), (49371, 418280), (52285, 394968), (56424, 365995), (62742, 329140), (65828, 313710), (70530, 292796), (73199, 282120), (82285, 250968), (83656, 246855), (94040, 219597), (98742, 209140), (104570, 197484), (125484, 164570), (131656, 156855), (141060, 146398)]