20198829060

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{643}}^1\times {\mathrm{19391}}^1$

素因数の和:20055

約数の個数: 120

約数和(自身を含む): 63466292736

約数和(自身を除く): 43267463676

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 643, 810, 1286, 1620, 1929, 2572, 3215, 3858, 5787, 6430, 7716, 9645, 11574, 12860, 17361, 19290, 19391, 23148, 28935, 34722, 38580, 38782, 52083, 57870, 58173, 69444, 77564, 86805, 96955, 104166, 115740, 116346, 173610, 174519, 193910, 208332, 232692, 260415, 290865, 347220, 349038, 387820, 520830, 523557, 581730, 698076, 872595, 1041660, 1047114, 1163460, 1570671, 1745190, 2094228, 2617785, 3141342, 3490380, 5235570, 6282684, 7853355, 10471140, 12468413, 15706710, 24936826, 31413420, 37405239, 49873652, 62342065, 74810478, 112215717, 124684130, 149620956, 187026195, 224431434, 249368260, 336647151, 374052390, 448862868, 561078585, 673294302, 748104780, 1009941453, 1122157170, 1346588604, 1683235755, 2019882906, 2244314340, 3366471510, 4039765812, 5049707265, 6732943020, 10099414530, 20198829060]

約数ペア:

[(1, 20198829060), (2, 10099414530), (3, 6732943020), (4, 5049707265), (5, 4039765812), (6, 3366471510), (9, 2244314340), (10, 2019882906), (12, 1683235755), (15, 1346588604), (18, 1122157170), (20, 1009941453), (27, 748104780), (30, 673294302), (36, 561078585), (45, 448862868), (54, 374052390), (60, 336647151), (81, 249368260), (90, 224431434), (108, 187026195), (135, 149620956), (162, 124684130), (180, 112215717), (270, 74810478), (324, 62342065), (405, 49873652), (540, 37405239), (643, 31413420), (810, 24936826), (1286, 15706710), (1620, 12468413), (1929, 10471140), (2572, 7853355), (3215, 6282684), (3858, 5235570), (5787, 3490380), (6430, 3141342), (7716, 2617785), (9645, 2094228), (11574, 1745190), (12860, 1570671), (17361, 1163460), (19290, 1047114), (19391, 1041660), (23148, 872595), (28935, 698076), (34722, 581730), (38580, 523557), (38782, 520830), (52083, 387820), (57870, 349038), (58173, 347220), (69444, 290865), (77564, 260415), (86805, 232692), (96955, 208332), (104166, 193910), (115740, 174519), (116346, 173610)]