20215524638

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1\times {\mathrm{15973}}^1$

素因数の和:16292

約数の個数: 32

約数和(自身を含む): 31743532800

約数和(自身を除く): 11528008162

約数列:

[1, 2, 31, 62, 137, 149, 274, 298, 4247, 4619, 8494, 9238, 15973, 20413, 31946, 40826, 495163, 632803, 990326, 1265606, 2188301, 2379977, 4376602, 4759954, 67837331, 73779287, 135674662, 147558574, 326056849, 652113698, 10107762319, 20215524638]

約数ペア:

[(1, 20215524638), (2, 10107762319), (31, 652113698), (62, 326056849), (137, 147558574), (149, 135674662), (274, 73779287), (298, 67837331), (4247, 4759954), (4619, 4376602), (8494, 2379977), (9238, 2188301), (15973, 1265606), (20413, 990326), (31946, 632803), (40826, 495163)]