20657973742

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{118739}}^1$

素因数の和:118825

約数の個数: 48

約数和(自身を含む): 38494558080

約数和(自身を除く): 17836584338

約数列:

[1, 2, 7, 14, 17, 34, 43, 86, 119, 238, 289, 301, 578, 602, 731, 1462, 2023, 4046, 5117, 10234, 12427, 24854, 86989, 118739, 173978, 237478, 831173, 1662346, 2018563, 4037126, 5105777, 10211554, 14129941, 28259882, 34315571, 35740439, 68631142, 71480878, 86798209, 173596418, 240208997, 480417994, 607587463, 1215174926, 1475569553, 2951139106, 10328986871, 20657973742]

約数ペア:

[(1, 20657973742), (2, 10328986871), (7, 2951139106), (14, 1475569553), (17, 1215174926), (34, 607587463), (43, 480417994), (86, 240208997), (119, 173596418), (238, 86798209), (289, 71480878), (301, 68631142), (578, 35740439), (602, 34315571), (731, 28259882), (1462, 14129941), (2023, 10211554), (4046, 5105777), (5117, 4037126), (10234, 2018563), (12427, 1662346), (24854, 831173), (86989, 237478), (118739, 173978)]