20224360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:155

約数の個数: 128

約数和(自身を含む): 54432000

約数和(自身を除く): 34207640

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 23, 26, 38, 40, 46, 52, 65, 76, 89, 92, 95, 104, 115, 130, 152, 178, 184, 190, 230, 247, 260, 299, 356, 380, 437, 445, 460, 494, 520, 598, 712, 760, 874, 890, 920, 988, 1157, 1196, 1235, 1495, 1691, 1748, 1780, 1976, 2047, 2185, 2314, 2392, 2470, 2990, 3382, 3496, 3560, 4094, 4370, 4628, 4940, 5681, 5785, 5980, 6764, 8188, 8455, 8740, 9256, 9880, 10235, 11362, 11570, 11960, 13528, 16376, 16910, 17480, 20470, 21983, 22724, 23140, 26611, 28405, 33820, 38893, 40940, 43966, 45448, 46280, 53222, 56810, 67640, 77786, 81880, 87932, 106444, 109915, 113620, 133055, 155572, 175864, 194465, 212888, 219830, 227240, 266110, 311144, 388930, 439660, 505609, 532220, 777860, 879320, 1011218, 1064440, 1555720, 2022436, 2528045, 4044872, 5056090, 10112180, 20224360]

約数ペア:

[(1, 20224360), (2, 10112180), (4, 5056090), (5, 4044872), (8, 2528045), (10, 2022436), (13, 1555720), (19, 1064440), (20, 1011218), (23, 879320), (26, 777860), (38, 532220), (40, 505609), (46, 439660), (52, 388930), (65, 311144), (76, 266110), (89, 227240), (92, 219830), (95, 212888), (104, 194465), (115, 175864), (130, 155572), (152, 133055), (178, 113620), (184, 109915), (190, 106444), (230, 87932), (247, 81880), (260, 77786), (299, 67640), (356, 56810), (380, 53222), (437, 46280), (445, 45448), (460, 43966), (494, 40940), (520, 38893), (598, 33820), (712, 28405), (760, 26611), (874, 23140), (890, 22724), (920, 21983), (988, 20470), (1157, 17480), (1196, 16910), (1235, 16376), (1495, 13528), (1691, 11960), (1748, 11570), (1780, 11362), (1976, 10235), (2047, 9880), (2185, 9256), (2314, 8740), (2392, 8455), (2470, 8188), (2990, 6764), (3382, 5980), (3496, 5785), (3560, 5681), (4094, 4940), (4370, 4628)]