20119024660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{1637}}^1\times {\mathrm{12541}}^1$

素因数の和:14201

約数の個数: 72

約数和(自身を含む): 49181847624

約数和(自身を除く): 29062822964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1637, 3274, 6548, 8185, 11459, 12541, 16370, 22918, 25082, 32740, 45836, 50164, 57295, 62705, 80213, 87787, 114590, 125410, 160426, 175574, 229180, 250820, 320852, 351148, 401065, 438935, 614509, 802130, 877870, 1229018, 1604260, 1755740, 2458036, 3072545, 6145090, 12290180, 20529617, 41059234, 82118468, 102648085, 143707319, 205296170, 287414638, 410592340, 574829276, 718536595, 1005951233, 1437073190, 2011902466, 2874146380, 4023804932, 5029756165, 10059512330, 20119024660]

約数ペア:

[(1, 20119024660), (2, 10059512330), (4, 5029756165), (5, 4023804932), (7, 2874146380), (10, 2011902466), (14, 1437073190), (20, 1005951233), (28, 718536595), (35, 574829276), (49, 410592340), (70, 287414638), (98, 205296170), (140, 143707319), (196, 102648085), (245, 82118468), (490, 41059234), (980, 20529617), (1637, 12290180), (3274, 6145090), (6548, 3072545), (8185, 2458036), (11459, 1755740), (12541, 1604260), (16370, 1229018), (22918, 877870), (25082, 802130), (32740, 614509), (45836, 438935), (50164, 401065), (57295, 351148), (62705, 320852), (80213, 250820), (87787, 229180), (114590, 175574), (125410, 160426)]