20068173825

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{7109}}^1$

素因数の和:7431

約数の個数: 96

約数和(自身を含む): 40061721600

約数和(自身を除く): 19993547775

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 95, 105, 133, 175, 283, 285, 399, 475, 525, 665, 849, 1415, 1425, 1981, 1995, 3325, 4245, 5377, 5943, 7075, 7109, 9905, 9975, 16131, 21225, 21327, 26885, 29715, 35545, 37639, 49525, 49763, 80655, 106635, 112917, 134425, 135071, 148575, 149289, 177725, 188195, 248815, 403275, 405213, 533175, 564585, 675355, 746445, 940975, 945497, 1244075, 2011847, 2026065, 2822925, 2836491, 3376775, 3732225, 4727485, 6035541, 10059235, 10130325, 14082929, 14182455, 23637425, 30177705, 38225093, 42248787, 50296175, 70414645, 70912275, 114675279, 150888525, 191125465, 211243935, 267575651, 352073225, 573376395, 802726953, 955627325, 1056219675, 1337878255, 2866881975, 4013634765, 6689391275, 20068173825]

約数ペア:

[(1, 20068173825), (3, 6689391275), (5, 4013634765), (7, 2866881975), (15, 1337878255), (19, 1056219675), (21, 955627325), (25, 802726953), (35, 573376395), (57, 352073225), (75, 267575651), (95, 211243935), (105, 191125465), (133, 150888525), (175, 114675279), (283, 70912275), (285, 70414645), (399, 50296175), (475, 42248787), (525, 38225093), (665, 30177705), (849, 23637425), (1415, 14182455), (1425, 14082929), (1981, 10130325), (1995, 10059235), (3325, 6035541), (4245, 4727485), (5377, 3732225), (5943, 3376775), (7075, 2836491), (7109, 2822925), (9905, 2026065), (9975, 2011847), (16131, 1244075), (21225, 945497), (21327, 940975), (26885, 746445), (29715, 675355), (35545, 564585), (37639, 533175), (49525, 405213), (49763, 403275), (80655, 248815), (106635, 188195), (112917, 177725), (134425, 149289), (135071, 148575)]