20104080405

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{24847}}^1$

素因数の和:25058

約数の個数: 64

約数和(自身を含む): 36067368960

約数和(自身を除く): 15963288555

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 167, 255, 285, 323, 501, 835, 969, 1615, 2505, 2839, 3173, 4845, 8517, 9519, 14195, 15865, 24847, 42585, 47595, 53941, 74541, 124235, 161823, 269705, 372705, 422399, 472093, 809115, 1267197, 1416279, 2111995, 2360465, 4149449, 6335985, 7081395, 8025581, 12448347, 20747245, 24076743, 40127905, 62241735, 70540633, 78839531, 120383715, 211621899, 236518593, 352703165, 394197655, 1058109495, 1182592965, 1340272027, 4020816081, 6701360135, 20104080405]

約数ペア:

[(1, 20104080405), (3, 6701360135), (5, 4020816081), (15, 1340272027), (17, 1182592965), (19, 1058109495), (51, 394197655), (57, 352703165), (85, 236518593), (95, 211621899), (167, 120383715), (255, 78839531), (285, 70540633), (323, 62241735), (501, 40127905), (835, 24076743), (969, 20747245), (1615, 12448347), (2505, 8025581), (2839, 7081395), (3173, 6335985), (4845, 4149449), (8517, 2360465), (9519, 2111995), (14195, 1416279), (15865, 1267197), (24847, 809115), (42585, 472093), (47595, 422399), (53941, 372705), (74541, 269705), (124235, 161823)]