20481300

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{3251}}^1$

素因数の和:3278

約数の個数: 108

約数和(自身を含む): 73391136

約数和(自身を除く): 52909836

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 105, 126, 140, 150, 175, 180, 210, 225, 252, 300, 315, 350, 420, 450, 525, 630, 700, 900, 1050, 1260, 1575, 2100, 3150, 3251, 6300, 6502, 9753, 13004, 16255, 19506, 22757, 29259, 32510, 39012, 45514, 48765, 58518, 65020, 68271, 81275, 91028, 97530, 113785, 117036, 136542, 146295, 162550, 195060, 204813, 227570, 243825, 273084, 292590, 325100, 341355, 409626, 455140, 487650, 568925, 585180, 682710, 731475, 819252, 975300, 1024065, 1137850, 1365420, 1462950, 1706775, 2048130, 2275700, 2925900, 3413550, 4096260, 5120325, 6827100, 10240650, 20481300]

約数ペア:

[(1, 20481300), (2, 10240650), (3, 6827100), (4, 5120325), (5, 4096260), (6, 3413550), (7, 2925900), (9, 2275700), (10, 2048130), (12, 1706775), (14, 1462950), (15, 1365420), (18, 1137850), (20, 1024065), (21, 975300), (25, 819252), (28, 731475), (30, 682710), (35, 585180), (36, 568925), (42, 487650), (45, 455140), (50, 409626), (60, 341355), (63, 325100), (70, 292590), (75, 273084), (84, 243825), (90, 227570), (100, 204813), (105, 195060), (126, 162550), (140, 146295), (150, 136542), (175, 117036), (180, 113785), (210, 97530), (225, 91028), (252, 81275), (300, 68271), (315, 65020), (350, 58518), (420, 48765), (450, 45514), (525, 39012), (630, 32510), (700, 29259), (900, 22757), (1050, 19506), (1260, 16255), (1575, 13004), (2100, 9753), (3150, 6502), (3251, 6300)]