20176517820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{757}}^1\times {\mathrm{3391}}^1$

素因数の和:4291

約数の個数: 96

約数和(自身を含む): 57017511936

約数和(自身を除く): 36840994116

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 393, 524, 655, 757, 786, 1310, 1514, 1572, 1965, 2271, 2620, 3028, 3391, 3785, 3930, 4542, 6782, 7570, 7860, 9084, 10173, 11355, 13564, 15140, 16955, 20346, 22710, 33910, 40692, 45420, 50865, 67820, 99167, 101730, 198334, 203460, 297501, 396668, 444221, 495835, 595002, 888442, 991670, 1190004, 1332663, 1487505, 1776884, 1983340, 2221105, 2566987, 2665326, 2975010, 4442210, 5133974, 5330652, 5950020, 6663315, 7700961, 8884420, 10267948, 12834935, 13326630, 15401922, 25669870, 26653260, 30803844, 38504805, 51339740, 77009610, 154019220, 336275297, 672550594, 1008825891, 1345101188, 1681376485, 2017651782, 3362752970, 4035303564, 5044129455, 6725505940, 10088258910, 20176517820]

約数ペア:

[(1, 20176517820), (2, 10088258910), (3, 6725505940), (4, 5044129455), (5, 4035303564), (6, 3362752970), (10, 2017651782), (12, 1681376485), (15, 1345101188), (20, 1008825891), (30, 672550594), (60, 336275297), (131, 154019220), (262, 77009610), (393, 51339740), (524, 38504805), (655, 30803844), (757, 26653260), (786, 25669870), (1310, 15401922), (1514, 13326630), (1572, 12834935), (1965, 10267948), (2271, 8884420), (2620, 7700961), (3028, 6663315), (3391, 5950020), (3785, 5330652), (3930, 5133974), (4542, 4442210), (6782, 2975010), (7570, 2665326), (7860, 2566987), (9084, 2221105), (10173, 1983340), (11355, 1776884), (13564, 1487505), (15140, 1332663), (16955, 1190004), (20346, 991670), (22710, 888442), (33910, 595002), (40692, 495835), (45420, 444221), (50865, 396668), (67820, 297501), (99167, 203460), (101730, 198334)]