20173983460

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{359}}^1\times {\mathrm{389}}^1$

素因数の和:1021

約数の個数: 96

約数和(自身を含む): 44155238400

約数和(自身を除く): 23981254940

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 233, 310, 359, 389, 466, 620, 718, 778, 932, 1165, 1436, 1556, 1795, 1945, 2330, 3590, 3890, 4660, 7180, 7223, 7780, 11129, 12059, 14446, 22258, 24118, 28892, 36115, 44516, 48236, 55645, 60295, 72230, 83647, 90637, 111290, 120590, 139651, 144460, 167294, 181274, 222580, 241180, 279302, 334588, 362548, 418235, 453185, 558604, 698255, 836470, 906370, 1396510, 1672940, 1812740, 2593057, 2793020, 2809747, 4329181, 5186114, 5619494, 8658362, 10372228, 11238988, 12965285, 14048735, 17316724, 21645905, 25930570, 28097470, 32538683, 43291810, 51861140, 56194940, 65077366, 86583620, 130154732, 162693415, 325386830, 650773660, 1008699173, 2017398346, 4034796692, 5043495865, 10086991730, 20173983460]

約数ペア:

[(1, 20173983460), (2, 10086991730), (4, 5043495865), (5, 4034796692), (10, 2017398346), (20, 1008699173), (31, 650773660), (62, 325386830), (124, 162693415), (155, 130154732), (233, 86583620), (310, 65077366), (359, 56194940), (389, 51861140), (466, 43291810), (620, 32538683), (718, 28097470), (778, 25930570), (932, 21645905), (1165, 17316724), (1436, 14048735), (1556, 12965285), (1795, 11238988), (1945, 10372228), (2330, 8658362), (3590, 5619494), (3890, 5186114), (4660, 4329181), (7180, 2809747), (7223, 2793020), (7780, 2593057), (11129, 1812740), (12059, 1672940), (14446, 1396510), (22258, 906370), (24118, 836470), (28892, 698255), (36115, 558604), (44516, 453185), (48236, 418235), (55645, 362548), (60295, 334588), (72230, 279302), (83647, 241180), (90637, 222580), (111290, 181274), (120590, 167294), (139651, 144460)]