16726920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19913}}^1$

素因数の和:19934

約数の個数: 64

約数和(自身を含む): 57352320

約数和(自身を除く): 40625400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 19913, 39826, 59739, 79652, 99565, 119478, 139391, 159304, 199130, 238956, 278782, 298695, 398260, 418173, 477912, 557564, 597390, 696955, 796520, 836346, 1115128, 1194780, 1393910, 1672692, 2090865, 2389560, 2787820, 3345384, 4181730, 5575640, 8363460, 16726920]

約数ペア:

[(1, 16726920), (2, 8363460), (3, 5575640), (4, 4181730), (5, 3345384), (6, 2787820), (7, 2389560), (8, 2090865), (10, 1672692), (12, 1393910), (14, 1194780), (15, 1115128), (20, 836346), (21, 796520), (24, 696955), (28, 597390), (30, 557564), (35, 477912), (40, 418173), (42, 398260), (56, 298695), (60, 278782), (70, 238956), (84, 199130), (105, 159304), (120, 139391), (140, 119478), (168, 99565), (210, 79652), (280, 59739), (420, 39826), (840, 19913)]