20239540020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{3221}}^1\times {\mathrm{4987}}^1$

素因数の和:8230

約数の個数: 144

約数和(自身を含む): 70199595648

約数和(自身を除く): 49960055628

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 3221, 4987, 6442, 9663, 9974, 12884, 14961, 16105, 19326, 19948, 22547, 24935, 28989, 29922, 32210, 34909, 38652, 44883, 45094, 48315, 49870, 57978, 59844, 64420, 67641, 69818, 74805, 89766, 90188, 96630, 99740, 104727, 112735, 115956, 135282, 139636, 144945, 149610, 174545, 179532, 193260, 202923, 209454, 224415, 225470, 270564, 289890, 299220, 314181, 338205, 349090, 405846, 418908, 448830, 450940, 523635, 579780, 628362, 676410, 698180, 811692, 897660, 1014615, 1047270, 1256724, 1352820, 1570905, 2029230, 2094540, 3141810, 4058460, 6283620, 16063127, 32126254, 48189381, 64252508, 80315635, 96378762, 112441889, 144568143, 160631270, 192757524, 224883778, 240946905, 289136286, 321262540, 337325667, 449767556, 481893810, 562209445, 578272572, 674651334, 722840715, 963787620, 1011977001, 1124418890, 1349302668, 1445681430, 1686628335, 2023954002, 2248837780, 2891362860, 3373256670, 4047908004, 5059885005, 6746513340, 10119770010, 20239540020]

約数ペア:

[(1, 20239540020), (2, 10119770010), (3, 6746513340), (4, 5059885005), (5, 4047908004), (6, 3373256670), (7, 2891362860), (9, 2248837780), (10, 2023954002), (12, 1686628335), (14, 1445681430), (15, 1349302668), (18, 1124418890), (20, 1011977001), (21, 963787620), (28, 722840715), (30, 674651334), (35, 578272572), (36, 562209445), (42, 481893810), (45, 449767556), (60, 337325667), (63, 321262540), (70, 289136286), (84, 240946905), (90, 224883778), (105, 192757524), (126, 160631270), (140, 144568143), (180, 112441889), (210, 96378762), (252, 80315635), (315, 64252508), (420, 48189381), (630, 32126254), (1260, 16063127), (3221, 6283620), (4987, 4058460), (6442, 3141810), (9663, 2094540), (9974, 2029230), (12884, 1570905), (14961, 1352820), (16105, 1256724), (19326, 1047270), (19948, 1014615), (22547, 897660), (24935, 811692), (28989, 698180), (29922, 676410), (32210, 628362), (34909, 579780), (38652, 523635), (44883, 450940), (45094, 448830), (48315, 418908), (49870, 405846), (57978, 349090), (59844, 338205), (64420, 314181), (67641, 299220), (69818, 289890), (74805, 270564), (89766, 225470), (90188, 224415), (96630, 209454), (99740, 202923), (104727, 193260), (112735, 179532), (115956, 174545), (135282, 149610), (139636, 144945)]