20216183036

素因数分解:

$2^2\times 7^2\times {\mathrm{89}}^1\times {\mathrm{811}}^1\times {\mathrm{1429}}^1$

素因数の和:2347

約数の個数: 72

約数和(自身を含む): 41697255600

約数和(自身を除く): 21481072564

約数列:

[1, 2, 4, 7, 14, 28, 49, 89, 98, 178, 196, 356, 623, 811, 1246, 1429, 1622, 2492, 2858, 3244, 4361, 5677, 5716, 8722, 10003, 11354, 17444, 20006, 22708, 39739, 40012, 70021, 72179, 79478, 127181, 140042, 144358, 158956, 254362, 280084, 288716, 505253, 508724, 890267, 1010506, 1158919, 1780534, 2021012, 2317838, 3536771, 3561068, 4635676, 6231869, 7073542, 8112433, 12463738, 14147084, 16224866, 24927476, 32449732, 56787031, 103143791, 113574062, 206287582, 227148124, 412575164, 722006537, 1444013074, 2888026148, 5054045759, 10108091518, 20216183036]

約数ペア:

[(1, 20216183036), (2, 10108091518), (4, 5054045759), (7, 2888026148), (14, 1444013074), (28, 722006537), (49, 412575164), (89, 227148124), (98, 206287582), (178, 113574062), (196, 103143791), (356, 56787031), (623, 32449732), (811, 24927476), (1246, 16224866), (1429, 14147084), (1622, 12463738), (2492, 8112433), (2858, 7073542), (3244, 6231869), (4361, 4635676), (5677, 3561068), (5716, 3536771), (8722, 2317838), (10003, 2021012), (11354, 1780534), (17444, 1158919), (20006, 1010506), (22708, 890267), (39739, 508724), (40012, 505253), (70021, 288716), (72179, 280084), (79478, 254362), (127181, 158956), (140042, 144358)]