20431632

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{239}}^1$

素因数の和:400

約数の個数: 80

約数和(自身を含む): 57496320

約数和(自身を除く): 37064688

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 137, 156, 208, 239, 274, 312, 411, 478, 548, 624, 717, 822, 956, 1096, 1434, 1644, 1781, 1912, 2192, 2868, 3107, 3288, 3562, 3824, 5343, 5736, 6214, 6576, 7124, 9321, 10686, 11472, 12428, 14248, 18642, 21372, 24856, 28496, 32743, 37284, 42744, 49712, 65486, 74568, 85488, 98229, 130972, 149136, 196458, 261944, 392916, 425659, 523888, 785832, 851318, 1276977, 1571664, 1702636, 2553954, 3405272, 5107908, 6810544, 10215816, 20431632]

約数ペア:

[(1, 20431632), (2, 10215816), (3, 6810544), (4, 5107908), (6, 3405272), (8, 2553954), (12, 1702636), (13, 1571664), (16, 1276977), (24, 851318), (26, 785832), (39, 523888), (48, 425659), (52, 392916), (78, 261944), (104, 196458), (137, 149136), (156, 130972), (208, 98229), (239, 85488), (274, 74568), (312, 65486), (411, 49712), (478, 42744), (548, 37284), (624, 32743), (717, 28496), (822, 24856), (956, 21372), (1096, 18642), (1434, 14248), (1644, 12428), (1781, 11472), (1912, 10686), (2192, 9321), (2868, 7124), (3107, 6576), (3288, 6214), (3562, 5736), (3824, 5343)]