20007470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:114

約数の個数: 96

約数和(自身を含む): 46683648

約数和(自身を除く): 26676178

約数列:

[1, 2, 5, 7, 10, 14, 17, 23, 34, 35, 43, 46, 70, 85, 86, 115, 119, 161, 170, 215, 230, 238, 289, 301, 322, 391, 430, 578, 595, 602, 731, 782, 805, 989, 1190, 1445, 1462, 1505, 1610, 1955, 1978, 2023, 2737, 2890, 3010, 3655, 3910, 4046, 4945, 5117, 5474, 6647, 6923, 7310, 9890, 10115, 10234, 12427, 13294, 13685, 13846, 16813, 20230, 24854, 25585, 27370, 33235, 33626, 34615, 46529, 51170, 62135, 66470, 69230, 84065, 86989, 93058, 117691, 124270, 168130, 173978, 232645, 235382, 285821, 434945, 465290, 571642, 588455, 869890, 1176910, 1429105, 2000747, 2858210, 4001494, 10003735, 20007470]

約数ペア:

[(1, 20007470), (2, 10003735), (5, 4001494), (7, 2858210), (10, 2000747), (14, 1429105), (17, 1176910), (23, 869890), (34, 588455), (35, 571642), (43, 465290), (46, 434945), (70, 285821), (85, 235382), (86, 232645), (115, 173978), (119, 168130), (161, 124270), (170, 117691), (215, 93058), (230, 86989), (238, 84065), (289, 69230), (301, 66470), (322, 62135), (391, 51170), (430, 46529), (578, 34615), (595, 33626), (602, 33235), (731, 27370), (782, 25585), (805, 24854), (989, 20230), (1190, 16813), (1445, 13846), (1462, 13685), (1505, 13294), (1610, 12427), (1955, 10234), (1978, 10115), (2023, 9890), (2737, 7310), (2890, 6923), (3010, 6647), (3655, 5474), (3910, 5117), (4046, 4945)]