20194920

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1$

素因数の和:317

約数の個数: 160

約数和(自身を含む): 71089920

約数和(自身を除く): 50895000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 54, 60, 69, 72, 81, 90, 92, 108, 115, 120, 135, 138, 162, 180, 184, 207, 216, 230, 270, 271, 276, 324, 345, 360, 405, 414, 460, 540, 542, 552, 621, 648, 690, 810, 813, 828, 920, 1035, 1080, 1084, 1242, 1355, 1380, 1620, 1626, 1656, 1863, 2070, 2168, 2439, 2484, 2710, 2760, 3105, 3240, 3252, 3726, 4065, 4140, 4878, 4968, 5420, 6210, 6233, 6504, 7317, 7452, 8130, 8280, 9315, 9756, 10840, 12195, 12420, 12466, 14634, 14904, 16260, 18630, 18699, 19512, 21951, 24390, 24840, 24932, 29268, 31165, 32520, 36585, 37260, 37398, 43902, 48780, 49864, 56097, 58536, 62330, 73170, 74520, 74796, 87804, 93495, 97560, 109755, 112194, 124660, 146340, 149592, 168291, 175608, 186990, 219510, 224388, 249320, 280485, 292680, 336582, 373980, 439020, 448776, 504873, 560970, 673164, 747960, 841455, 878040, 1009746, 1121940, 1346328, 1682910, 2019492, 2243880, 2524365, 3365820, 4038984, 5048730, 6731640, 10097460, 20194920]

約数ペア:

[(1, 20194920), (2, 10097460), (3, 6731640), (4, 5048730), (5, 4038984), (6, 3365820), (8, 2524365), (9, 2243880), (10, 2019492), (12, 1682910), (15, 1346328), (18, 1121940), (20, 1009746), (23, 878040), (24, 841455), (27, 747960), (30, 673164), (36, 560970), (40, 504873), (45, 448776), (46, 439020), (54, 373980), (60, 336582), (69, 292680), (72, 280485), (81, 249320), (90, 224388), (92, 219510), (108, 186990), (115, 175608), (120, 168291), (135, 149592), (138, 146340), (162, 124660), (180, 112194), (184, 109755), (207, 97560), (216, 93495), (230, 87804), (270, 74796), (271, 74520), (276, 73170), (324, 62330), (345, 58536), (360, 56097), (405, 49864), (414, 48780), (460, 43902), (540, 37398), (542, 37260), (552, 36585), (621, 32520), (648, 31165), (690, 29268), (810, 24932), (813, 24840), (828, 24390), (920, 21951), (1035, 19512), (1080, 18699), (1084, 18630), (1242, 16260), (1355, 14904), (1380, 14634), (1620, 12466), (1626, 12420), (1656, 12195), (1863, 10840), (2070, 9756), (2168, 9315), (2439, 8280), (2484, 8130), (2710, 7452), (2760, 7317), (3105, 6504), (3240, 6233), (3252, 6210), (3726, 5420), (4065, 4968), (4140, 4878)]