20221476560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{117731}}^1$

素因数の和:117876

約数の個数: 80

約数和(自身を含む): 49927786560

約数和(自身を除く): 29706310000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 113, 152, 190, 226, 304, 380, 452, 565, 760, 904, 1130, 1520, 1808, 2147, 2260, 4294, 4520, 8588, 9040, 10735, 17176, 21470, 34352, 42940, 85880, 117731, 171760, 235462, 470924, 588655, 941848, 1177310, 1883696, 2236889, 2354620, 4473778, 4709240, 8947556, 9418480, 11184445, 13303603, 17895112, 22368890, 26607206, 35790224, 44737780, 53214412, 66518015, 89475560, 106428824, 133036030, 178951120, 212857648, 252768457, 266072060, 505536914, 532144120, 1011073828, 1064288240, 1263842285, 2022147656, 2527684570, 4044295312, 5055369140, 10110738280, 20221476560]

約数ペア:

[(1, 20221476560), (2, 10110738280), (4, 5055369140), (5, 4044295312), (8, 2527684570), (10, 2022147656), (16, 1263842285), (19, 1064288240), (20, 1011073828), (38, 532144120), (40, 505536914), (76, 266072060), (80, 252768457), (95, 212857648), (113, 178951120), (152, 133036030), (190, 106428824), (226, 89475560), (304, 66518015), (380, 53214412), (452, 44737780), (565, 35790224), (760, 26607206), (904, 22368890), (1130, 17895112), (1520, 13303603), (1808, 11184445), (2147, 9418480), (2260, 8947556), (4294, 4709240), (4520, 4473778), (8588, 2354620), (9040, 2236889), (10735, 1883696), (17176, 1177310), (21470, 941848), (34352, 588655), (42940, 470924), (85880, 235462), (117731, 171760)]