20141917480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{646403}}^1$

素因数の和:646474

約数の個数: 64

約数和(自身を含む): 48868142400

約数和(自身を除く): 28726224920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 76, 82, 95, 152, 164, 190, 205, 328, 380, 410, 760, 779, 820, 1558, 1640, 3116, 3895, 6232, 7790, 15580, 31160, 646403, 1292806, 2585612, 3232015, 5171224, 6464030, 12281657, 12928060, 24563314, 25856120, 26502523, 49126628, 53005046, 61408285, 98253256, 106010092, 122816570, 132512615, 212020184, 245633140, 265025230, 491266280, 503547937, 530050460, 1007095874, 1060100920, 2014191748, 2517739685, 4028383496, 5035479370, 10070958740, 20141917480]

約数ペア:

[(1, 20141917480), (2, 10070958740), (4, 5035479370), (5, 4028383496), (8, 2517739685), (10, 2014191748), (19, 1060100920), (20, 1007095874), (38, 530050460), (40, 503547937), (41, 491266280), (76, 265025230), (82, 245633140), (95, 212020184), (152, 132512615), (164, 122816570), (190, 106010092), (205, 98253256), (328, 61408285), (380, 53005046), (410, 49126628), (760, 26502523), (779, 25856120), (820, 24563314), (1558, 12928060), (1640, 12281657), (3116, 6464030), (3895, 5171224), (6232, 3232015), (7790, 2585612), (15580, 1292806), (31160, 646403)]