20698236

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{941}}^1$

素因数の和:1011

約数の個数: 72

約数和(自身を含む): 57605184

約数和(自身を除く): 36906948

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 47, 52, 78, 94, 117, 141, 156, 188, 234, 282, 423, 468, 564, 611, 846, 941, 1222, 1692, 1833, 1882, 2444, 2823, 3666, 3764, 5499, 5646, 7332, 8469, 10998, 11292, 12233, 16938, 21996, 24466, 33876, 36699, 44227, 48932, 73398, 88454, 110097, 132681, 146796, 176908, 220194, 265362, 398043, 440388, 530724, 574951, 796086, 1149902, 1592172, 1724853, 2299804, 3449706, 5174559, 6899412, 10349118, 20698236]

約数ペア:

[(1, 20698236), (2, 10349118), (3, 6899412), (4, 5174559), (6, 3449706), (9, 2299804), (12, 1724853), (13, 1592172), (18, 1149902), (26, 796086), (36, 574951), (39, 530724), (47, 440388), (52, 398043), (78, 265362), (94, 220194), (117, 176908), (141, 146796), (156, 132681), (188, 110097), (234, 88454), (282, 73398), (423, 48932), (468, 44227), (564, 36699), (611, 33876), (846, 24466), (941, 21996), (1222, 16938), (1692, 12233), (1833, 11292), (1882, 10998), (2444, 8469), (2823, 7332), (3666, 5646), (3764, 5499)]