20356156920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{811649}}^1$

素因数の和:811693

約数の個数: 128

約数和(自身を含む): 70126560000

約数和(自身を除く): 49770403080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 19, 20, 22, 24, 30, 33, 38, 40, 44, 55, 57, 60, 66, 76, 88, 95, 110, 114, 120, 132, 152, 165, 190, 209, 220, 228, 264, 285, 330, 380, 418, 440, 456, 570, 627, 660, 760, 836, 1045, 1140, 1254, 1320, 1672, 2090, 2280, 2508, 3135, 4180, 5016, 6270, 8360, 12540, 25080, 811649, 1623298, 2434947, 3246596, 4058245, 4869894, 6493192, 8116490, 8928139, 9739788, 12174735, 15421331, 16232980, 17856278, 19479576, 24349470, 26784417, 30842662, 32465960, 35712556, 44640695, 46263993, 48698940, 53568834, 61685324, 71425112, 77106655, 89281390, 92527986, 97397880, 107137668, 123370648, 133922085, 154213310, 169634641, 178562780, 185055972, 214275336, 231319965, 267844170, 308426620, 339269282, 357125560, 370111944, 462639930, 508903923, 535688340, 616853240, 678538564, 848173205, 925279860, 1017807846, 1071376680, 1357077128, 1696346410, 1850559720, 2035615692, 2544519615, 3392692820, 4071231384, 5089039230, 6785385640, 10178078460, 20356156920]

約数ペア:

[(1, 20356156920), (2, 10178078460), (3, 6785385640), (4, 5089039230), (5, 4071231384), (6, 3392692820), (8, 2544519615), (10, 2035615692), (11, 1850559720), (12, 1696346410), (15, 1357077128), (19, 1071376680), (20, 1017807846), (22, 925279860), (24, 848173205), (30, 678538564), (33, 616853240), (38, 535688340), (40, 508903923), (44, 462639930), (55, 370111944), (57, 357125560), (60, 339269282), (66, 308426620), (76, 267844170), (88, 231319965), (95, 214275336), (110, 185055972), (114, 178562780), (120, 169634641), (132, 154213310), (152, 133922085), (165, 123370648), (190, 107137668), (209, 97397880), (220, 92527986), (228, 89281390), (264, 77106655), (285, 71425112), (330, 61685324), (380, 53568834), (418, 48698940), (440, 46263993), (456, 44640695), (570, 35712556), (627, 32465960), (660, 30842662), (760, 26784417), (836, 24349470), (1045, 19479576), (1140, 17856278), (1254, 16232980), (1320, 15421331), (1672, 12174735), (2090, 9739788), (2280, 8928139), (2508, 8116490), (3135, 6493192), (4180, 4869894), (5016, 4058245), (6270, 3246596), (8360, 2434947), (12540, 1623298), (25080, 811649)]