20154472590

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1573339}}^1$

素因数の和:1573417

約数の個数: 64

約数和(自身を含む): 56187118080

約数和(自身を除く): 36032645490

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 61, 70, 105, 122, 183, 210, 305, 366, 427, 610, 854, 915, 1281, 1830, 2135, 2562, 4270, 6405, 12810, 1573339, 3146678, 4720017, 7866695, 9440034, 11013373, 15733390, 22026746, 23600085, 33040119, 47200170, 55066865, 66080238, 95973679, 110133730, 165200595, 191947358, 287921037, 330401190, 479868395, 575842074, 671815753, 959736790, 1343631506, 1439605185, 2015447259, 2879210370, 3359078765, 4030894518, 6718157530, 10077236295, 20154472590]

約数ペア:

[(1, 20154472590), (2, 10077236295), (3, 6718157530), (5, 4030894518), (6, 3359078765), (7, 2879210370), (10, 2015447259), (14, 1439605185), (15, 1343631506), (21, 959736790), (30, 671815753), (35, 575842074), (42, 479868395), (61, 330401190), (70, 287921037), (105, 191947358), (122, 165200595), (183, 110133730), (210, 95973679), (305, 66080238), (366, 55066865), (427, 47200170), (610, 33040119), (854, 23600085), (915, 22026746), (1281, 15733390), (1830, 11013373), (2135, 9440034), (2562, 7866695), (4270, 4720017), (6405, 3146678), (12810, 1573339)]