20107360

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1381}}^1$

素因数の和:1416

約数の個数: 96

約数和(自身を含む): 58508352

約数和(自身を除く): 38400992

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 364, 416, 455, 520, 560, 728, 910, 1040, 1120, 1381, 1456, 1820, 2080, 2762, 2912, 3640, 5524, 6905, 7280, 9667, 11048, 13810, 14560, 17953, 19334, 22096, 27620, 35906, 38668, 44192, 48335, 55240, 71812, 77336, 89765, 96670, 110480, 125671, 143624, 154672, 179530, 193340, 220960, 251342, 287248, 309344, 359060, 386680, 502684, 574496, 628355, 718120, 773360, 1005368, 1256710, 1436240, 1546720, 2010736, 2513420, 2872480, 4021472, 5026840, 10053680, 20107360]

約数ペア:

[(1, 20107360), (2, 10053680), (4, 5026840), (5, 4021472), (7, 2872480), (8, 2513420), (10, 2010736), (13, 1546720), (14, 1436240), (16, 1256710), (20, 1005368), (26, 773360), (28, 718120), (32, 628355), (35, 574496), (40, 502684), (52, 386680), (56, 359060), (65, 309344), (70, 287248), (80, 251342), (91, 220960), (104, 193340), (112, 179530), (130, 154672), (140, 143624), (160, 125671), (182, 110480), (208, 96670), (224, 89765), (260, 77336), (280, 71812), (364, 55240), (416, 48335), (455, 44192), (520, 38668), (560, 35906), (728, 27620), (910, 22096), (1040, 19334), (1120, 17953), (1381, 14560), (1456, 13810), (1820, 11048), (2080, 9667), (2762, 7280), (2912, 6905), (3640, 5524)]