20002624980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{72647}}^1$

素因数の和:73025

約数の個数: 96

約数和(自身を含む): 60487305984

約数和(自身を除く): 40484681004

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 353, 390, 706, 780, 1059, 1412, 1765, 2118, 3530, 4236, 4589, 5295, 7060, 9178, 10590, 13767, 18356, 21180, 22945, 27534, 45890, 55068, 68835, 72647, 91780, 137670, 145294, 217941, 275340, 290588, 363235, 435882, 726470, 871764, 944411, 1089705, 1452940, 1888822, 2179410, 2833233, 3777644, 4358820, 4722055, 5666466, 9444110, 11332932, 14166165, 18888220, 25644391, 28332330, 51288782, 56664660, 76933173, 102577564, 128221955, 153866346, 256443910, 307732692, 333377083, 384665865, 512887820, 666754166, 769331730, 1000131249, 1333508332, 1538663460, 1666885415, 2000262498, 3333770830, 4000524996, 5000656245, 6667541660, 10001312490, 20002624980]

約数ペア:

[(1, 20002624980), (2, 10001312490), (3, 6667541660), (4, 5000656245), (5, 4000524996), (6, 3333770830), (10, 2000262498), (12, 1666885415), (13, 1538663460), (15, 1333508332), (20, 1000131249), (26, 769331730), (30, 666754166), (39, 512887820), (52, 384665865), (60, 333377083), (65, 307732692), (78, 256443910), (130, 153866346), (156, 128221955), (195, 102577564), (260, 76933173), (353, 56664660), (390, 51288782), (706, 28332330), (780, 25644391), (1059, 18888220), (1412, 14166165), (1765, 11332932), (2118, 9444110), (3530, 5666466), (4236, 4722055), (4589, 4358820), (5295, 3777644), (7060, 2833233), (9178, 2179410), (10590, 1888822), (13767, 1452940), (18356, 1089705), (21180, 944411), (22945, 871764), (27534, 726470), (45890, 435882), (55068, 363235), (68835, 290588), (72647, 275340), (91780, 217941), (137670, 145294)]