20194674780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{361523}}^1$

素因数の和:361568

約数の個数: 144

約数和(自身を含む): 69239076480

約数和(自身を除く): 49044401700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 245, 266, 285, 294, 380, 399, 420, 490, 532, 570, 588, 665, 735, 798, 931, 980, 1140, 1330, 1470, 1596, 1862, 1995, 2660, 2793, 2940, 3724, 3990, 4655, 5586, 7980, 9310, 11172, 13965, 18620, 27930, 55860, 361523, 723046, 1084569, 1446092, 1807615, 2169138, 2530661, 3615230, 4338276, 5061322, 5422845, 6868937, 7230460, 7591983, 10122644, 10845690, 12653305, 13737874, 15183966, 17714627, 20606811, 21691380, 25306610, 27475748, 30367932, 34344685, 35429254, 37959915, 41213622, 48082559, 50613220, 53143881, 68689370, 70858508, 75919830, 82427244, 88573135, 96165118, 103034055, 106287762, 137378740, 144247677, 151839660, 177146270, 192330236, 206068110, 212575524, 240412795, 265719405, 288495354, 336577913, 354292540, 412136220, 480825590, 531438810, 576990708, 673155826, 721238385, 961651180, 1009733739, 1062877620, 1346311652, 1442476770, 1682889565, 2019467478, 2884953540, 3365779130, 4038934956, 5048668695, 6731558260, 10097337390, 20194674780]

約数ペア:

[(1, 20194674780), (2, 10097337390), (3, 6731558260), (4, 5048668695), (5, 4038934956), (6, 3365779130), (7, 2884953540), (10, 2019467478), (12, 1682889565), (14, 1442476770), (15, 1346311652), (19, 1062877620), (20, 1009733739), (21, 961651180), (28, 721238385), (30, 673155826), (35, 576990708), (38, 531438810), (42, 480825590), (49, 412136220), (57, 354292540), (60, 336577913), (70, 288495354), (76, 265719405), (84, 240412795), (95, 212575524), (98, 206068110), (105, 192330236), (114, 177146270), (133, 151839660), (140, 144247677), (147, 137378740), (190, 106287762), (196, 103034055), (210, 96165118), (228, 88573135), (245, 82427244), (266, 75919830), (285, 70858508), (294, 68689370), (380, 53143881), (399, 50613220), (420, 48082559), (490, 41213622), (532, 37959915), (570, 35429254), (588, 34344685), (665, 30367932), (735, 27475748), (798, 25306610), (931, 21691380), (980, 20606811), (1140, 17714627), (1330, 15183966), (1470, 13737874), (1596, 12653305), (1862, 10845690), (1995, 10122644), (2660, 7591983), (2793, 7230460), (2940, 6868937), (3724, 5422845), (3990, 5061322), (4655, 4338276), (5586, 3615230), (7980, 2530661), (9310, 2169138), (11172, 1807615), (13965, 1446092), (18620, 1084569), (27930, 723046), (55860, 361523)]