20502300

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{751}}^1$

素因数の和:788

約数の個数: 144

約数和(自身を含む): 73106432

約数和(自身を除く): 52604132

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 25, 26, 28, 30, 35, 39, 42, 50, 52, 60, 65, 70, 75, 78, 84, 91, 100, 105, 130, 140, 150, 156, 175, 182, 195, 210, 260, 273, 300, 325, 350, 364, 390, 420, 455, 525, 546, 650, 700, 751, 780, 910, 975, 1050, 1092, 1300, 1365, 1502, 1820, 1950, 2100, 2253, 2275, 2730, 3004, 3755, 3900, 4506, 4550, 5257, 5460, 6825, 7510, 9012, 9100, 9763, 10514, 11265, 13650, 15020, 15771, 18775, 19526, 21028, 22530, 26285, 27300, 29289, 31542, 37550, 39052, 45060, 48815, 52570, 56325, 58578, 63084, 68341, 75100, 78855, 97630, 105140, 112650, 117156, 131425, 136682, 146445, 157710, 195260, 205023, 225300, 244075, 262850, 273364, 292890, 315420, 341705, 394275, 410046, 488150, 525700, 585780, 683410, 732225, 788550, 820092, 976300, 1025115, 1366820, 1464450, 1577100, 1708525, 2050230, 2928900, 3417050, 4100460, 5125575, 6834100, 10251150, 20502300]

約数ペア:

[(1, 20502300), (2, 10251150), (3, 6834100), (4, 5125575), (5, 4100460), (6, 3417050), (7, 2928900), (10, 2050230), (12, 1708525), (13, 1577100), (14, 1464450), (15, 1366820), (20, 1025115), (21, 976300), (25, 820092), (26, 788550), (28, 732225), (30, 683410), (35, 585780), (39, 525700), (42, 488150), (50, 410046), (52, 394275), (60, 341705), (65, 315420), (70, 292890), (75, 273364), (78, 262850), (84, 244075), (91, 225300), (100, 205023), (105, 195260), (130, 157710), (140, 146445), (150, 136682), (156, 131425), (175, 117156), (182, 112650), (195, 105140), (210, 97630), (260, 78855), (273, 75100), (300, 68341), (325, 63084), (350, 58578), (364, 56325), (390, 52570), (420, 48815), (455, 45060), (525, 39052), (546, 37550), (650, 31542), (700, 29289), (751, 27300), (780, 26285), (910, 22530), (975, 21028), (1050, 19526), (1092, 18775), (1300, 15771), (1365, 15020), (1502, 13650), (1820, 11265), (1950, 10514), (2100, 9763), (2253, 9100), (2275, 9012), (2730, 7510), (3004, 6825), (3755, 5460), (3900, 5257), (4506, 4550)]