20177887740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{383}}^1\times {\mathrm{6317}}^1$

素因数の和:6851

約数の個数: 96

約数和(自身を含む): 57062154240

約数和(自身を除く): 36884266500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 383, 417, 556, 695, 766, 834, 1149, 1390, 1532, 1668, 1915, 2085, 2298, 2780, 3830, 4170, 4596, 5745, 6317, 7660, 8340, 11490, 12634, 18951, 22980, 25268, 31585, 37902, 53237, 63170, 75804, 94755, 106474, 126340, 159711, 189510, 212948, 266185, 319422, 379020, 532370, 638844, 798555, 878063, 1064740, 1597110, 1756126, 2419411, 2634189, 3194220, 3512252, 4390315, 4838822, 5268378, 7258233, 8780630, 9677644, 10536756, 12097055, 13170945, 14516466, 17561260, 24194110, 26341890, 29032932, 36291165, 48388220, 52683780, 72582330, 145164660, 336298129, 672596258, 1008894387, 1345192516, 1681490645, 2017788774, 3362981290, 4035577548, 5044471935, 6725962580, 10088943870, 20177887740]

約数ペア:

[(1, 20177887740), (2, 10088943870), (3, 6725962580), (4, 5044471935), (5, 4035577548), (6, 3362981290), (10, 2017788774), (12, 1681490645), (15, 1345192516), (20, 1008894387), (30, 672596258), (60, 336298129), (139, 145164660), (278, 72582330), (383, 52683780), (417, 48388220), (556, 36291165), (695, 29032932), (766, 26341890), (834, 24194110), (1149, 17561260), (1390, 14516466), (1532, 13170945), (1668, 12097055), (1915, 10536756), (2085, 9677644), (2298, 8780630), (2780, 7258233), (3830, 5268378), (4170, 4838822), (4596, 4390315), (5745, 3512252), (6317, 3194220), (7660, 2634189), (8340, 2419411), (11490, 1756126), (12634, 1597110), (18951, 1064740), (22980, 878063), (25268, 798555), (31585, 638844), (37902, 532370), (53237, 379020), (63170, 319422), (75804, 266185), (94755, 212948), (106474, 189510), (126340, 159711)]