20367077380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{839}}^1\times {\mathrm{1279}}^1$

素因数の和:2213

約数の個数: 96

約数和(自身を含む): 46784102400

約数和(自身を除く): 26417025020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 730, 839, 949, 1279, 1460, 1678, 1898, 2558, 3356, 3796, 4195, 4745, 5116, 6395, 8390, 9490, 10907, 12790, 16627, 16780, 18980, 21814, 25580, 33254, 43628, 54535, 61247, 66508, 83135, 93367, 109070, 122494, 166270, 186734, 218140, 244988, 306235, 332540, 373468, 466835, 612470, 796211, 933670, 1073081, 1213771, 1224940, 1592422, 1867340, 2146162, 2427542, 3184844, 3981055, 4292324, 4855084, 5365405, 6068855, 7962110, 10730810, 12137710, 13950053, 15924220, 21461620, 24275420, 27900106, 55800212, 69750265, 78334913, 139500530, 156669826, 279001060, 313339652, 391674565, 783349130, 1018353869, 1566698260, 2036707738, 4073415476, 5091769345, 10183538690, 20367077380]

約数ペア:

[(1, 20367077380), (2, 10183538690), (4, 5091769345), (5, 4073415476), (10, 2036707738), (13, 1566698260), (20, 1018353869), (26, 783349130), (52, 391674565), (65, 313339652), (73, 279001060), (130, 156669826), (146, 139500530), (260, 78334913), (292, 69750265), (365, 55800212), (730, 27900106), (839, 24275420), (949, 21461620), (1279, 15924220), (1460, 13950053), (1678, 12137710), (1898, 10730810), (2558, 7962110), (3356, 6068855), (3796, 5365405), (4195, 4855084), (4745, 4292324), (5116, 3981055), (6395, 3184844), (8390, 2427542), (9490, 2146162), (10907, 1867340), (12790, 1592422), (16627, 1224940), (16780, 1213771), (18980, 1073081), (21814, 933670), (25580, 796211), (33254, 612470), (43628, 466835), (54535, 373468), (61247, 332540), (66508, 306235), (83135, 244988), (93367, 218140), (109070, 186734), (122494, 166270)]