20860830

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7477}}^1$

素因数の和:7521

約数の個数: 48

約数和(自身を含む): 55995264

約数和(自身を除く): 35134434

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 930, 1395, 2790, 7477, 14954, 22431, 37385, 44862, 67293, 74770, 112155, 134586, 224310, 231787, 336465, 463574, 672930, 695361, 1158935, 1390722, 2086083, 2317870, 3476805, 4172166, 6953610, 10430415, 20860830]

約数ペア:

[(1, 20860830), (2, 10430415), (3, 6953610), (5, 4172166), (6, 3476805), (9, 2317870), (10, 2086083), (15, 1390722), (18, 1158935), (30, 695361), (31, 672930), (45, 463574), (62, 336465), (90, 231787), (93, 224310), (155, 134586), (186, 112155), (279, 74770), (310, 67293), (465, 44862), (558, 37385), (930, 22431), (1395, 14954), (2790, 7477)]