20211005968

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{895243}}^1$

素因数の和:895351

約数の個数: 40

約数和(自身を含む): 41961876768

約数和(自身を除く): 21750870800

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 83, 136, 166, 272, 332, 664, 1328, 1411, 2822, 5644, 11288, 22576, 895243, 1790486, 3580972, 7161944, 14323888, 15219131, 30438262, 60876524, 74305169, 121753048, 148610338, 243506096, 297220676, 594441352, 1188882704, 1263187873, 2526375746, 5052751492, 10105502984, 20211005968]

約数ペア:

[(1, 20211005968), (2, 10105502984), (4, 5052751492), (8, 2526375746), (16, 1263187873), (17, 1188882704), (34, 594441352), (68, 297220676), (83, 243506096), (136, 148610338), (166, 121753048), (272, 74305169), (332, 60876524), (664, 30438262), (1328, 15219131), (1411, 14323888), (2822, 7161944), (5644, 3580972), (11288, 1790486), (22576, 895243)]