20105204070

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3088357}}^1$

素因数の和:3088405

約数の個数: 64

約数和(自身を含む): 56924614656

約数和(自身を除く): 36819410586

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 62, 70, 93, 105, 155, 186, 210, 217, 310, 434, 465, 651, 930, 1085, 1302, 2170, 3255, 6510, 3088357, 6176714, 9265071, 15441785, 18530142, 21618499, 30883570, 43236998, 46325355, 64855497, 92650710, 95739067, 108092495, 129710994, 191478134, 216184990, 287217201, 324277485, 478695335, 574434402, 648554970, 670173469, 957390670, 1340346938, 1436086005, 2010520407, 2872172010, 3350867345, 4021040814, 6701734690, 10052602035, 20105204070]

約数ペア:

[(1, 20105204070), (2, 10052602035), (3, 6701734690), (5, 4021040814), (6, 3350867345), (7, 2872172010), (10, 2010520407), (14, 1436086005), (15, 1340346938), (21, 957390670), (30, 670173469), (31, 648554970), (35, 574434402), (42, 478695335), (62, 324277485), (70, 287217201), (93, 216184990), (105, 191478134), (155, 129710994), (186, 108092495), (210, 95739067), (217, 92650710), (310, 64855497), (434, 46325355), (465, 43236998), (651, 30883570), (930, 21618499), (1085, 18530142), (1302, 15441785), (2170, 9265071), (3255, 6176714), (6510, 3088357)]