20752472

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{521}}^1$

素因数の和:923

約数の個数: 32

約数和(自身を含む): 42094080

約数和(自身を除く): 21341608

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 383, 521, 766, 1042, 1532, 2084, 3064, 4168, 4979, 6773, 9958, 13546, 19916, 27092, 39832, 54184, 199543, 399086, 798172, 1596344, 2594059, 5188118, 10376236, 20752472]

約数ペア:

[(1, 20752472), (2, 10376236), (4, 5188118), (8, 2594059), (13, 1596344), (26, 798172), (52, 399086), (104, 199543), (383, 54184), (521, 39832), (766, 27092), (1042, 19916), (1532, 13546), (2084, 9958), (3064, 6773), (4168, 4979)]