20457009072

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{457}}^1\times {\mathrm{16361}}^1$

素因数の和:16851

約数の個数: 120

約数和(自身を含む): 60399995760

約数和(自身を除く): 39942986688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 72, 76, 114, 144, 152, 171, 228, 304, 342, 456, 457, 684, 912, 914, 1368, 1371, 1828, 2736, 2742, 3656, 4113, 5484, 7312, 8226, 8683, 10968, 16361, 16452, 17366, 21936, 26049, 32722, 32904, 34732, 49083, 52098, 65444, 65808, 69464, 78147, 98166, 104196, 130888, 138928, 147249, 156294, 196332, 208392, 261776, 294498, 310859, 312588, 392664, 416784, 588996, 621718, 625176, 785328, 932577, 1177992, 1243436, 1250352, 1865154, 2355984, 2486872, 2797731, 3730308, 4973744, 5595462, 7460616, 7476977, 11190924, 14921232, 14953954, 22381848, 22430931, 29907908, 44763696, 44861862, 59815816, 67292793, 89723724, 119631632, 134585586, 142062563, 179447448, 269171172, 284125126, 358894896, 426187689, 538342344, 568250252, 852375378, 1076684688, 1136500504, 1278563067, 1704750756, 2273001008, 2557126134, 3409501512, 5114252268, 6819003024, 10228504536, 20457009072]

約数ペア:

[(1, 20457009072), (2, 10228504536), (3, 6819003024), (4, 5114252268), (6, 3409501512), (8, 2557126134), (9, 2273001008), (12, 1704750756), (16, 1278563067), (18, 1136500504), (19, 1076684688), (24, 852375378), (36, 568250252), (38, 538342344), (48, 426187689), (57, 358894896), (72, 284125126), (76, 269171172), (114, 179447448), (144, 142062563), (152, 134585586), (171, 119631632), (228, 89723724), (304, 67292793), (342, 59815816), (456, 44861862), (457, 44763696), (684, 29907908), (912, 22430931), (914, 22381848), (1368, 14953954), (1371, 14921232), (1828, 11190924), (2736, 7476977), (2742, 7460616), (3656, 5595462), (4113, 4973744), (5484, 3730308), (7312, 2797731), (8226, 2486872), (8683, 2355984), (10968, 1865154), (16361, 1250352), (16452, 1243436), (17366, 1177992), (21936, 932577), (26049, 785328), (32722, 625176), (32904, 621718), (34732, 588996), (49083, 416784), (52098, 392664), (65444, 312588), (65808, 310859), (69464, 294498), (78147, 261776), (98166, 208392), (104196, 196332), (130888, 156294), (138928, 147249)]