20662164650

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{4721}}^1$

素因数の和:5040

約数の個数: 96

約数和(自身を含む): 43001176320

約数和(自身を除く): 22339011670

約数列:

[1, 2, 5, 10, 17, 19, 25, 34, 38, 50, 85, 95, 170, 190, 271, 323, 425, 475, 542, 646, 850, 950, 1355, 1615, 2710, 3230, 4607, 4721, 5149, 6775, 8075, 9214, 9442, 10298, 13550, 16150, 23035, 23605, 25745, 46070, 47210, 51490, 80257, 87533, 89699, 115175, 118025, 128725, 160514, 175066, 179398, 230350, 236050, 257450, 401285, 437665, 448495, 802570, 875330, 896990, 1279391, 1524883, 2006425, 2188325, 2242475, 2558782, 3049766, 4012850, 4376650, 4484950, 6396955, 7624415, 12793910, 15248830, 21749647, 24308429, 31984775, 38122075, 43499294, 48616858, 63969550, 76244150, 108748235, 121542145, 217496470, 243084290, 413243293, 543741175, 607710725, 826486586, 1087482350, 1215421450, 2066216465, 4132432930, 10331082325, 20662164650]

約数ペア:

[(1, 20662164650), (2, 10331082325), (5, 4132432930), (10, 2066216465), (17, 1215421450), (19, 1087482350), (25, 826486586), (34, 607710725), (38, 543741175), (50, 413243293), (85, 243084290), (95, 217496470), (170, 121542145), (190, 108748235), (271, 76244150), (323, 63969550), (425, 48616858), (475, 43499294), (542, 38122075), (646, 31984775), (850, 24308429), (950, 21749647), (1355, 15248830), (1615, 12793910), (2710, 7624415), (3230, 6396955), (4607, 4484950), (4721, 4376650), (5149, 4012850), (6775, 3049766), (8075, 2558782), (9214, 2242475), (9442, 2188325), (10298, 2006425), (13550, 1524883), (16150, 1279391), (23035, 896990), (23605, 875330), (25745, 802570), (46070, 448495), (47210, 437665), (51490, 401285), (80257, 257450), (87533, 236050), (89699, 230350), (115175, 179398), (118025, 175066), (128725, 160514)]