20120804944

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{4001}}^1\times {\mathrm{10139}}^1$

素因数の和:14179

約数の個数: 40

約数和(自身を含む): 40255637760

約数和(自身を除く): 20134832816

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 4001, 8002, 10139, 16004, 20278, 32008, 40556, 64016, 81112, 124031, 162224, 248062, 314309, 496124, 628618, 992248, 1257236, 1984496, 2514472, 5028944, 40566139, 81132278, 162264556, 324529112, 649058224, 1257550309, 2515100618, 5030201236, 10060402472, 20120804944]

約数ペア:

[(1, 20120804944), (2, 10060402472), (4, 5030201236), (8, 2515100618), (16, 1257550309), (31, 649058224), (62, 324529112), (124, 162264556), (248, 81132278), (496, 40566139), (4001, 5028944), (8002, 2514472), (10139, 1984496), (16004, 1257236), (20278, 992248), (32008, 628618), (40556, 496124), (64016, 314309), (81112, 248062), (124031, 162224)]