20172729924

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{103981}}^1$

素因数の和:104325

約数の個数: 72

約数和(自身を含む): 54162560088

約数和(自身を除く): 33989830164

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 306, 317, 612, 634, 951, 1268, 1902, 2853, 3804, 5389, 5706, 10778, 11412, 16167, 21556, 32334, 48501, 64668, 97002, 103981, 194004, 207962, 311943, 415924, 623886, 935829, 1247772, 1767677, 1871658, 3535354, 3743316, 5303031, 7070708, 10606062, 15909093, 21212124, 31818186, 32961977, 63636372, 65923954, 98885931, 131847908, 197771862, 296657793, 395543724, 560353609, 593315586, 1120707218, 1186631172, 1681060827, 2241414436, 3362121654, 5043182481, 6724243308, 10086364962, 20172729924]

約数ペア:

[(1, 20172729924), (2, 10086364962), (3, 6724243308), (4, 5043182481), (6, 3362121654), (9, 2241414436), (12, 1681060827), (17, 1186631172), (18, 1120707218), (34, 593315586), (36, 560353609), (51, 395543724), (68, 296657793), (102, 197771862), (153, 131847908), (204, 98885931), (306, 65923954), (317, 63636372), (612, 32961977), (634, 31818186), (951, 21212124), (1268, 15909093), (1902, 10606062), (2853, 7070708), (3804, 5303031), (5389, 3743316), (5706, 3535354), (10778, 1871658), (11412, 1767677), (16167, 1247772), (21556, 935829), (32334, 623886), (48501, 415924), (64668, 311943), (97002, 207962), (103981, 194004)]