20613152

素因数分解:

$2^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4001}}^1$

素因数の和:4041

約数の個数: 48

約数和(自身を含む): 48408192

約数和(自身を除く): 27795040

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 92, 112, 161, 184, 224, 322, 368, 644, 736, 1288, 2576, 4001, 5152, 8002, 16004, 28007, 32008, 56014, 64016, 92023, 112028, 128032, 184046, 224056, 368092, 448112, 644161, 736184, 896224, 1288322, 1472368, 2576644, 2944736, 5153288, 10306576, 20613152]

約数ペア:

[(1, 20613152), (2, 10306576), (4, 5153288), (7, 2944736), (8, 2576644), (14, 1472368), (16, 1288322), (23, 896224), (28, 736184), (32, 644161), (46, 448112), (56, 368092), (92, 224056), (112, 184046), (161, 128032), (184, 112028), (224, 92023), (322, 64016), (368, 56014), (644, 32008), (736, 28007), (1288, 16004), (2576, 8002), (4001, 5152)]