20188127985

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{443}}^1\times {\mathrm{4261}}^1$

素因数の和:4766

約数の個数: 64

約数和(自身を含む): 34879389696

約数和(自身を除く): 14691261711

約数列:

[1, 3, 5, 15, 23, 31, 69, 93, 115, 155, 345, 443, 465, 713, 1329, 2139, 2215, 3565, 4261, 6645, 10189, 10695, 12783, 13733, 21305, 30567, 41199, 50945, 63915, 68665, 98003, 132091, 152835, 205995, 294009, 315859, 396273, 490015, 660455, 947577, 1470045, 1579295, 1887623, 1981365, 3038093, 4737885, 5662869, 9114279, 9438115, 15190465, 28314345, 43415329, 45571395, 58516313, 130245987, 175548939, 217076645, 292581565, 651229935, 877744695, 1345875199, 4037625597, 6729375995, 20188127985]

約数ペア:

[(1, 20188127985), (3, 6729375995), (5, 4037625597), (15, 1345875199), (23, 877744695), (31, 651229935), (69, 292581565), (93, 217076645), (115, 175548939), (155, 130245987), (345, 58516313), (443, 45571395), (465, 43415329), (713, 28314345), (1329, 15190465), (2139, 9438115), (2215, 9114279), (3565, 5662869), (4261, 4737885), (6645, 3038093), (10189, 1981365), (10695, 1887623), (12783, 1579295), (13733, 1470045), (21305, 947577), (30567, 660455), (41199, 490015), (50945, 396273), (63915, 315859), (68665, 294009), (98003, 205995), (132091, 152835)]