20115386175

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{2371}}^1$

素因数の和:2545

約数の個数: 96

約数和(自身を含む): 35577722880

約数和(自身を除く): 15462336705

約数列:

[1, 3, 5, 15, 25, 31, 41, 75, 89, 93, 123, 155, 205, 267, 445, 465, 615, 775, 1025, 1271, 1335, 2225, 2325, 2371, 2759, 3075, 3649, 3813, 6355, 6675, 7113, 8277, 10947, 11855, 13795, 18245, 19065, 31775, 35565, 41385, 54735, 59275, 68975, 73501, 91225, 95325, 97211, 113119, 177825, 206925, 211019, 220503, 273675, 291633, 339357, 367505, 486055, 565595, 633057, 1055095, 1102515, 1458165, 1696785, 1837525, 2430275, 2827975, 3013541, 3165285, 5275475, 5512575, 6541589, 7290825, 8483925, 8651779, 9040623, 15067705, 15826425, 19624767, 25955337, 32707945, 43258895, 45203115, 75338525, 98123835, 129776685, 163539725, 216294475, 226015575, 268205149, 490619175, 648883425, 804615447, 1341025745, 4023077235, 6705128725, 20115386175]

約数ペア:

[(1, 20115386175), (3, 6705128725), (5, 4023077235), (15, 1341025745), (25, 804615447), (31, 648883425), (41, 490619175), (75, 268205149), (89, 226015575), (93, 216294475), (123, 163539725), (155, 129776685), (205, 98123835), (267, 75338525), (445, 45203115), (465, 43258895), (615, 32707945), (775, 25955337), (1025, 19624767), (1271, 15826425), (1335, 15067705), (2225, 9040623), (2325, 8651779), (2371, 8483925), (2759, 7290825), (3075, 6541589), (3649, 5512575), (3813, 5275475), (6355, 3165285), (6675, 3013541), (7113, 2827975), (8277, 2430275), (10947, 1837525), (11855, 1696785), (13795, 1458165), (18245, 1102515), (19065, 1055095), (31775, 633057), (35565, 565595), (41385, 486055), (54735, 367505), (59275, 339357), (68975, 291633), (73501, 273675), (91225, 220503), (95325, 211019), (97211, 206925), (113119, 177825)]