20888928056

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{887}}^1\times {\mathrm{1223}}^1$

素因数の和:2228

約数の個数: 64

約数和(自身を含む): 41085273600

約数和(自身を除く): 20196345544

約数列:

[1, 2, 4, 8, 29, 58, 83, 116, 166, 232, 332, 664, 887, 1223, 1774, 2407, 2446, 3548, 4814, 4892, 7096, 9628, 9784, 19256, 25723, 35467, 51446, 70934, 73621, 101509, 102892, 141868, 147242, 203018, 205784, 283736, 294484, 406036, 588968, 812072, 1084801, 2135009, 2169602, 2943761, 4270018, 4339204, 5887522, 8540036, 8678408, 11775044, 17080072, 23550088, 31459229, 62918458, 90038483, 125836916, 180076966, 251673832, 360153932, 720307864, 2611116007, 5222232014, 10444464028, 20888928056]

約数ペア:

[(1, 20888928056), (2, 10444464028), (4, 5222232014), (8, 2611116007), (29, 720307864), (58, 360153932), (83, 251673832), (116, 180076966), (166, 125836916), (232, 90038483), (332, 62918458), (664, 31459229), (887, 23550088), (1223, 17080072), (1774, 11775044), (2407, 8678408), (2446, 8540036), (3548, 5887522), (4814, 4339204), (4892, 4270018), (7096, 2943761), (9628, 2169602), (9784, 2135009), (19256, 1084801), (25723, 812072), (35467, 588968), (51446, 406036), (70934, 294484), (73621, 283736), (101509, 205784), (102892, 203018), (141868, 147242)]