20175354560

素因数分解:

$2^6\times 5^1\times {\mathrm{73}}^1\times {\mathrm{863671}}^1$

素因数の和:863761

約数の個数: 56

約数和(自身を含む): 48700736736

約数和(自身を除く): 28525382176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 146, 160, 292, 320, 365, 584, 730, 1168, 1460, 2336, 2920, 4672, 5840, 11680, 23360, 863671, 1727342, 3454684, 4318355, 6909368, 8636710, 13818736, 17273420, 27637472, 34546840, 55274944, 63047983, 69093680, 126095966, 138187360, 252191932, 276374720, 315239915, 504383864, 630479830, 1008767728, 1260959660, 2017535456, 2521919320, 4035070912, 5043838640, 10087677280, 20175354560]

約数ペア:

[(1, 20175354560), (2, 10087677280), (4, 5043838640), (5, 4035070912), (8, 2521919320), (10, 2017535456), (16, 1260959660), (20, 1008767728), (32, 630479830), (40, 504383864), (64, 315239915), (73, 276374720), (80, 252191932), (146, 138187360), (160, 126095966), (292, 69093680), (320, 63047983), (365, 55274944), (584, 34546840), (730, 27637472), (1168, 17273420), (1460, 13818736), (2336, 8636710), (2920, 6909368), (4672, 4318355), (5840, 3454684), (11680, 1727342), (23360, 863671)]