20970430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1663}}^1$

素因数の和:1780

約数の個数: 32

約数和(自身を含む): 41094144

約数和(自身を除く): 20123714

約数列:

[1, 2, 5, 10, 13, 26, 65, 97, 130, 194, 485, 970, 1261, 1663, 2522, 3326, 6305, 8315, 12610, 16630, 21619, 43238, 108095, 161311, 216190, 322622, 806555, 1613110, 2097043, 4194086, 10485215, 20970430]

約数ペア:

[(1, 20970430), (2, 10485215), (5, 4194086), (10, 2097043), (13, 1613110), (26, 806555), (65, 322622), (97, 216190), (130, 161311), (194, 108095), (485, 43238), (970, 21619), (1261, 16630), (1663, 12610), (2522, 8315), (3326, 6305)]