20211441020

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1\times {\mathrm{211}}^1\times {\mathrm{563}}^1$

素因数の和:1011

約数の個数: 96

約数和(自身を含む): 43870934016

約数和(自身を除く): 23659492996

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 181, 188, 211, 235, 362, 422, 470, 563, 724, 844, 905, 940, 1055, 1126, 1810, 2110, 2252, 2815, 3620, 4220, 5630, 8507, 9917, 11260, 17014, 19834, 26461, 34028, 38191, 39668, 42535, 49585, 52922, 76382, 85070, 99170, 101903, 105844, 118793, 132305, 152764, 170140, 190955, 198340, 203806, 237586, 264610, 381910, 407612, 475172, 509515, 529220, 593965, 763820, 1019030, 1187930, 1794977, 2038060, 2375860, 3589954, 4789441, 5583271, 7179908, 8974885, 9578882, 11166542, 17949770, 19157764, 21501533, 22333084, 23947205, 27916355, 35899540, 43003066, 47894410, 55832710, 86006132, 95788820, 107507665, 111665420, 215015330, 430030660, 1010572051, 2021144102, 4042288204, 5052860255, 10105720510, 20211441020]

約数ペア:

[(1, 20211441020), (2, 10105720510), (4, 5052860255), (5, 4042288204), (10, 2021144102), (20, 1010572051), (47, 430030660), (94, 215015330), (181, 111665420), (188, 107507665), (211, 95788820), (235, 86006132), (362, 55832710), (422, 47894410), (470, 43003066), (563, 35899540), (724, 27916355), (844, 23947205), (905, 22333084), (940, 21501533), (1055, 19157764), (1126, 17949770), (1810, 11166542), (2110, 9578882), (2252, 8974885), (2815, 7179908), (3620, 5583271), (4220, 4789441), (5630, 3589954), (8507, 2375860), (9917, 2038060), (11260, 1794977), (17014, 1187930), (19834, 1019030), (26461, 763820), (34028, 593965), (38191, 529220), (39668, 509515), (42535, 475172), (49585, 407612), (52922, 381910), (76382, 264610), (85070, 237586), (99170, 203806), (101903, 198340), (105844, 190955), (118793, 170140), (132305, 152764)]