20123961039

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{8389}}^1$

素因数の和:8545

約数の個数: 96

約数和(自身を含む): 37380470400

約数和(自身を除く): 17256509361

約数列:

[1, 3, 7, 9, 13, 21, 29, 39, 63, 87, 91, 101, 117, 203, 261, 273, 303, 377, 609, 707, 819, 909, 1131, 1313, 1827, 2121, 2639, 2929, 3393, 3939, 6363, 7917, 8389, 8787, 9191, 11817, 20503, 23751, 25167, 26361, 27573, 38077, 58723, 61509, 75501, 82719, 109057, 114231, 176169, 184527, 243281, 266539, 327171, 342693, 528507, 729843, 763399, 799617, 847289, 981513, 1702967, 2189529, 2290197, 2398851, 2541867, 3162653, 5108901, 5931023, 6870591, 7625601, 9487959, 11014757, 15326703, 17793069, 22138571, 24571381, 28463877, 33044271, 53379207, 66415713, 73714143, 77103299, 99132813, 171999667, 199247139, 221142429, 231309897, 319427953, 515999001, 693929691, 958283859, 1547997003, 2235995671, 2874851577, 6707987013, 20123961039]

約数ペア:

[(1, 20123961039), (3, 6707987013), (7, 2874851577), (9, 2235995671), (13, 1547997003), (21, 958283859), (29, 693929691), (39, 515999001), (63, 319427953), (87, 231309897), (91, 221142429), (101, 199247139), (117, 171999667), (203, 99132813), (261, 77103299), (273, 73714143), (303, 66415713), (377, 53379207), (609, 33044271), (707, 28463877), (819, 24571381), (909, 22138571), (1131, 17793069), (1313, 15326703), (1827, 11014757), (2121, 9487959), (2639, 7625601), (2929, 6870591), (3393, 5931023), (3939, 5108901), (6363, 3162653), (7917, 2541867), (8389, 2398851), (8787, 2290197), (9191, 2189529), (11817, 1702967), (20503, 981513), (23751, 847289), (25167, 799617), (26361, 763399), (27573, 729843), (38077, 528507), (58723, 342693), (61509, 327171), (75501, 266539), (82719, 243281), (109057, 184527), (114231, 176169)]