20708012

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 41112960

約数和(自身を除く): 20404948

約数列:

[1, 2, 4, 13, 26, 37, 47, 52, 74, 94, 148, 188, 229, 458, 481, 611, 916, 962, 1222, 1739, 1924, 2444, 2977, 3478, 5954, 6956, 8473, 10763, 11908, 16946, 21526, 22607, 33892, 43052, 45214, 90428, 110149, 139919, 220298, 279838, 398231, 440596, 559676, 796462, 1592924, 5177003, 10354006, 20708012]

約数ペア:

[(1, 20708012), (2, 10354006), (4, 5177003), (13, 1592924), (26, 796462), (37, 559676), (47, 440596), (52, 398231), (74, 279838), (94, 220298), (148, 139919), (188, 110149), (229, 90428), (458, 45214), (481, 43052), (611, 33892), (916, 22607), (962, 21526), (1222, 16946), (1739, 11908), (1924, 10763), (2444, 8473), (2977, 6956), (3478, 5954)]