20784447809970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{991}}^1\times {\mathrm{297113}}^1$

素因数の和:298308

約数の個数: 128

約数和(自身を含む): 54071287216128

約数和(自身を除く): 33286839406158

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 181, 195, 362, 390, 543, 905, 991, 1086, 1810, 1982, 2353, 2715, 2973, 4706, 4955, 5430, 5946, 7059, 9910, 11765, 12883, 14118, 14865, 23530, 25766, 29730, 35295, 38649, 64415, 70590, 77298, 128830, 179371, 193245, 297113, 358742, 386490, 538113, 594226, 891339, 896855, 1076226, 1485565, 1782678, 1793710, 2331823, 2690565, 2971130, 3862469, 4456695, 4663646, 5381130, 6995469, 7724938, 8913390, 11587407, 11659115, 13990938, 19312345, 23174814, 23318230, 34977345, 38624690, 53777453, 57937035, 69954690, 107554906, 115874070, 161332359, 268887265, 294438983, 322664718, 537774530, 588877966, 699106889, 806661795, 883316949, 1398213778, 1472194915, 1613323590, 1766633898, 2097320667, 2944389830, 3495534445, 3827706779, 4194641334, 4416584745, 6991068890, 7655413558, 8833169490, 10486603335, 11483120337, 19138533895, 20973206670, 22966240674, 38277067790, 53293455923, 57415601685, 106586911846, 114831203370, 159880367769, 266467279615, 319760735538, 532934559230, 692814926999, 799401838845, 1385629853998, 1598803677690, 2078444780997, 3464074634995, 4156889561994, 6928149269990, 10392223904985, 20784447809970]

約数ペア:

[(1, 20784447809970), (2, 10392223904985), (3, 6928149269990), (5, 4156889561994), (6, 3464074634995), (10, 2078444780997), (13, 1598803677690), (15, 1385629853998), (26, 799401838845), (30, 692814926999), (39, 532934559230), (65, 319760735538), (78, 266467279615), (130, 159880367769), (181, 114831203370), (195, 106586911846), (362, 57415601685), (390, 53293455923), (543, 38277067790), (905, 22966240674), (991, 20973206670), (1086, 19138533895), (1810, 11483120337), (1982, 10486603335), (2353, 8833169490), (2715, 7655413558), (2973, 6991068890), (4706, 4416584745), (4955, 4194641334), (5430, 3827706779), (5946, 3495534445), (7059, 2944389830), (9910, 2097320667), (11765, 1766633898), (12883, 1613323590), (14118, 1472194915), (14865, 1398213778), (23530, 883316949), (25766, 806661795), (29730, 699106889), (35295, 588877966), (38649, 537774530), (64415, 322664718), (70590, 294438983), (77298, 268887265), (128830, 161332359), (179371, 115874070), (193245, 107554906), (297113, 69954690), (358742, 57937035), (386490, 53777453), (538113, 38624690), (594226, 34977345), (891339, 23318230), (896855, 23174814), (1076226, 19312345), (1485565, 13990938), (1782678, 11659115), (1793710, 11587407), (2331823, 8913390), (2690565, 7724938), (2971130, 6995469), (3862469, 5381130), (4456695, 4663646)]