20125507845

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1187}}^1\times {\mathrm{1451}}^1$

素因数の和:2706

約数の個数: 64

約数和(自身を含む): 34775516160

約数和(自身を除く): 14650008315

約数列:

[1, 3, 5, 15, 19, 41, 57, 95, 123, 205, 285, 615, 779, 1187, 1451, 2337, 3561, 3895, 4353, 5935, 7255, 11685, 17805, 21765, 22553, 27569, 48667, 59491, 67659, 82707, 112765, 137845, 146001, 178473, 243335, 297455, 338295, 413535, 730005, 892365, 924673, 1130329, 1722337, 2774019, 3390987, 4623365, 5167011, 5651645, 8611685, 13870095, 16954935, 25835055, 32724403, 70615817, 98173209, 163622015, 211847451, 353079085, 490866045, 1059237255, 1341700523, 4025101569, 6708502615, 20125507845]

約数ペア:

[(1, 20125507845), (3, 6708502615), (5, 4025101569), (15, 1341700523), (19, 1059237255), (41, 490866045), (57, 353079085), (95, 211847451), (123, 163622015), (205, 98173209), (285, 70615817), (615, 32724403), (779, 25835055), (1187, 16954935), (1451, 13870095), (2337, 8611685), (3561, 5651645), (3895, 5167011), (4353, 4623365), (5935, 3390987), (7255, 2774019), (11685, 1722337), (17805, 1130329), (21765, 924673), (22553, 892365), (27569, 730005), (48667, 413535), (59491, 338295), (67659, 297455), (82707, 243335), (112765, 178473), (137845, 146001)]