20875173840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1525963}}^1$

素因数の和:1526001

約数の個数: 120

約数和(自身を含む): 73795619040

約数和(自身を除く): 52920445200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 1140, 1368, 1520, 1710, 2280, 2736, 3420, 4560, 6840, 13680, 1525963, 3051926, 4577889, 6103852, 7629815, 9155778, 12207704, 13733667, 15259630, 18311556, 22889445, 24415408, 27467334, 28993297, 30519260, 36623112, 45778890, 54934668, 57986594, 61038520, 68668335, 73246224, 86979891, 91557780, 109869336, 115973188, 122077040, 137336670, 144966485, 173959782, 183115560, 219738672, 231946376, 260939673, 274673340, 289932970, 347919564, 366231120, 434899455, 463892752, 521879346, 549346680, 579865940, 695839128, 869798910, 1043758692, 1098693360, 1159731880, 1304698365, 1391678256, 1739597820, 2087517384, 2319463760, 2609396730, 3479195640, 4175034768, 5218793460, 6958391280, 10437586920, 20875173840]

約数ペア:

[(1, 20875173840), (2, 10437586920), (3, 6958391280), (4, 5218793460), (5, 4175034768), (6, 3479195640), (8, 2609396730), (9, 2319463760), (10, 2087517384), (12, 1739597820), (15, 1391678256), (16, 1304698365), (18, 1159731880), (19, 1098693360), (20, 1043758692), (24, 869798910), (30, 695839128), (36, 579865940), (38, 549346680), (40, 521879346), (45, 463892752), (48, 434899455), (57, 366231120), (60, 347919564), (72, 289932970), (76, 274673340), (80, 260939673), (90, 231946376), (95, 219738672), (114, 183115560), (120, 173959782), (144, 144966485), (152, 137336670), (171, 122077040), (180, 115973188), (190, 109869336), (228, 91557780), (240, 86979891), (285, 73246224), (304, 68668335), (342, 61038520), (360, 57986594), (380, 54934668), (456, 45778890), (570, 36623112), (684, 30519260), (720, 28993297), (760, 27467334), (855, 24415408), (912, 22889445), (1140, 18311556), (1368, 15259630), (1520, 13733667), (1710, 12207704), (2280, 9155778), (2736, 7629815), (3420, 6103852), (4560, 4577889), (6840, 3051926), (13680, 1525963)]