20128433580

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{1380551}}^1$

素因数の和:1380578

約数の個数: 84

約数和(自身を含む): 63375620112

約数和(自身を除く): 43247186532

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 729, 810, 972, 1215, 1458, 1620, 2430, 2916, 3645, 4860, 7290, 14580, 1380551, 2761102, 4141653, 5522204, 6902755, 8283306, 12424959, 13805510, 16566612, 20708265, 24849918, 27611020, 37274877, 41416530, 49699836, 62124795, 74549754, 82833060, 111824631, 124249590, 149099508, 186374385, 223649262, 248499180, 335473893, 372748770, 447298524, 559123155, 670947786, 745497540, 1006421679, 1118246310, 1341895572, 1677369465, 2012843358, 2236492620, 3354738930, 4025686716, 5032108395, 6709477860, 10064216790, 20128433580]

約数ペア:

[(1, 20128433580), (2, 10064216790), (3, 6709477860), (4, 5032108395), (5, 4025686716), (6, 3354738930), (9, 2236492620), (10, 2012843358), (12, 1677369465), (15, 1341895572), (18, 1118246310), (20, 1006421679), (27, 745497540), (30, 670947786), (36, 559123155), (45, 447298524), (54, 372748770), (60, 335473893), (81, 248499180), (90, 223649262), (108, 186374385), (135, 149099508), (162, 124249590), (180, 111824631), (243, 82833060), (270, 74549754), (324, 62124795), (405, 49699836), (486, 41416530), (540, 37274877), (729, 27611020), (810, 24849918), (972, 20708265), (1215, 16566612), (1458, 13805510), (1620, 12424959), (2430, 8283306), (2916, 6902755), (3645, 5522204), (4860, 4141653), (7290, 2761102), (14580, 1380551)]