20180991740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{583603}}^1$

素因数の和:583651

約数の個数: 96

約数和(自身を含む): 54905464320

約数和(自身を除く): 34724472580

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 52, 65, 70, 76, 91, 95, 130, 133, 140, 182, 190, 247, 260, 266, 364, 380, 455, 494, 532, 665, 910, 988, 1235, 1330, 1729, 1820, 2470, 2660, 3458, 4940, 6916, 8645, 17290, 34580, 583603, 1167206, 2334412, 2918015, 4085221, 5836030, 7586839, 8170442, 11088457, 11672060, 15173678, 16340884, 20426105, 22176914, 30347356, 37934195, 40852210, 44353828, 53107873, 55442285, 75868390, 77619199, 81704420, 106215746, 110884570, 144149941, 151736780, 155238398, 212431492, 221769140, 265539365, 288299882, 310476796, 388095995, 531078730, 576599764, 720749705, 776191990, 1009049587, 1062157460, 1441499410, 1552383980, 2018099174, 2882998820, 4036198348, 5045247935, 10090495870, 20180991740]

約数ペア:

[(1, 20180991740), (2, 10090495870), (4, 5045247935), (5, 4036198348), (7, 2882998820), (10, 2018099174), (13, 1552383980), (14, 1441499410), (19, 1062157460), (20, 1009049587), (26, 776191990), (28, 720749705), (35, 576599764), (38, 531078730), (52, 388095995), (65, 310476796), (70, 288299882), (76, 265539365), (91, 221769140), (95, 212431492), (130, 155238398), (133, 151736780), (140, 144149941), (182, 110884570), (190, 106215746), (247, 81704420), (260, 77619199), (266, 75868390), (364, 55442285), (380, 53107873), (455, 44353828), (494, 40852210), (532, 37934195), (665, 30347356), (910, 22176914), (988, 20426105), (1235, 16340884), (1330, 15173678), (1729, 11672060), (1820, 11088457), (2470, 8170442), (2660, 7586839), (3458, 5836030), (4940, 4085221), (6916, 2918015), (8645, 2334412), (17290, 1167206), (34580, 583603)]