20120155924

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{145121}}^1$

素因数の和:145296

約数の個数: 48

約数和(自身を含む): 40374101376

約数和(自身を除く): 20253945452

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 137, 253, 274, 506, 548, 1012, 1507, 3014, 3151, 6028, 6302, 12604, 34661, 69322, 138644, 145121, 290242, 580484, 1596331, 3192662, 3337783, 6385324, 6675566, 13351132, 19881577, 36715613, 39763154, 73431226, 79526308, 146862452, 218697347, 437394694, 457276271, 874789388, 914552542, 1829105084, 5030038981, 10060077962, 20120155924]

約数ペア:

[(1, 20120155924), (2, 10060077962), (4, 5030038981), (11, 1829105084), (22, 914552542), (23, 874789388), (44, 457276271), (46, 437394694), (92, 218697347), (137, 146862452), (253, 79526308), (274, 73431226), (506, 39763154), (548, 36715613), (1012, 19881577), (1507, 13351132), (3014, 6675566), (3151, 6385324), (6028, 3337783), (6302, 3192662), (12604, 1596331), (34661, 580484), (69322, 290242), (138644, 145121)]