20071992100

素因数分解:

$2^2\times 5^2\times {\mathrm{151}}^1\times {\mathrm{661}}^1\times {\mathrm{2011}}^1$

素因数の和:2837

約数の個数: 72

約数和(自身を含む): 43932840896

約数和(自身を除く): 23860848796

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 151, 302, 604, 661, 755, 1322, 1510, 2011, 2644, 3020, 3305, 3775, 4022, 6610, 7550, 8044, 10055, 13220, 15100, 16525, 20110, 33050, 40220, 50275, 66100, 99811, 100550, 199622, 201100, 303661, 399244, 499055, 607322, 998110, 1214644, 1329271, 1518305, 1996220, 2495275, 2658542, 3036610, 4990550, 5317084, 6073220, 6646355, 7591525, 9981100, 13292710, 15183050, 26585420, 30366100, 33231775, 66463550, 132927100, 200719921, 401439842, 802879684, 1003599605, 2007199210, 4014398420, 5017998025, 10035996050, 20071992100]

約数ペア:

[(1, 20071992100), (2, 10035996050), (4, 5017998025), (5, 4014398420), (10, 2007199210), (20, 1003599605), (25, 802879684), (50, 401439842), (100, 200719921), (151, 132927100), (302, 66463550), (604, 33231775), (661, 30366100), (755, 26585420), (1322, 15183050), (1510, 13292710), (2011, 9981100), (2644, 7591525), (3020, 6646355), (3305, 6073220), (3775, 5317084), (4022, 4990550), (6610, 3036610), (7550, 2658542), (8044, 2495275), (10055, 1996220), (13220, 1518305), (15100, 1329271), (16525, 1214644), (20110, 998110), (33050, 607322), (40220, 499055), (50275, 399244), (66100, 303661), (99811, 201100), (100550, 199622)]