20138692788

素因数分解:

$2^2\times 3^2\times {\mathrm{149}}^1\times {\mathrm{1723}}^1\times {\mathrm{2179}}^1$

素因数の和:4061

約数の個数: 72

約数和(自身を含む): 51301068000

約数和(自身を除く): 31162375212

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 149, 298, 447, 596, 894, 1341, 1723, 1788, 2179, 2682, 3446, 4358, 5169, 5364, 6537, 6892, 8716, 10338, 13074, 15507, 19611, 20676, 26148, 31014, 39222, 62028, 78444, 256727, 324671, 513454, 649342, 770181, 974013, 1026908, 1298684, 1540362, 1948026, 2310543, 2922039, 3080724, 3754417, 3896052, 4621086, 5844078, 7508834, 9242172, 11263251, 11688156, 15017668, 22526502, 33789753, 45053004, 67579506, 135159012, 559408133, 1118816266, 1678224399, 2237632532, 3356448798, 5034673197, 6712897596, 10069346394, 20138692788]

約数ペア:

[(1, 20138692788), (2, 10069346394), (3, 6712897596), (4, 5034673197), (6, 3356448798), (9, 2237632532), (12, 1678224399), (18, 1118816266), (36, 559408133), (149, 135159012), (298, 67579506), (447, 45053004), (596, 33789753), (894, 22526502), (1341, 15017668), (1723, 11688156), (1788, 11263251), (2179, 9242172), (2682, 7508834), (3446, 5844078), (4358, 4621086), (5169, 3896052), (5364, 3754417), (6537, 3080724), (6892, 2922039), (8716, 2310543), (10338, 1948026), (13074, 1540362), (15507, 1298684), (19611, 1026908), (20676, 974013), (26148, 770181), (31014, 649342), (39222, 513454), (62028, 324671), (78444, 256727)]