20013371700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{22637}}^1$

素因数の和:23082

約数の個数: 144

約数和(自身を含む): 66337670784

約数和(自身を除く): 46324299084

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 421, 525, 700, 842, 1050, 1263, 1684, 2100, 2105, 2526, 2947, 4210, 5052, 5894, 6315, 8420, 8841, 10525, 11788, 12630, 14735, 17682, 21050, 22637, 25260, 29470, 31575, 35364, 42100, 44205, 45274, 58940, 63150, 67911, 73675, 88410, 90548, 113185, 126300, 135822, 147350, 158459, 176820, 221025, 226370, 271644, 294700, 316918, 339555, 442050, 452740, 475377, 565925, 633836, 679110, 792295, 884100, 950754, 1131850, 1358220, 1584590, 1697775, 1901508, 2263700, 2376885, 3169180, 3395550, 3961475, 4753770, 6791100, 7922950, 9507540, 9530177, 11884425, 15845900, 19060354, 23768850, 28590531, 38120708, 47537700, 47650885, 57181062, 66711239, 95301770, 114362124, 133422478, 142952655, 190603540, 200133717, 238254425, 266844956, 285905310, 333556195, 400267434, 476508850, 571810620, 667112390, 714763275, 800534868, 953017700, 1000668585, 1334224780, 1429526550, 1667780975, 2001337170, 2859053100, 3335561950, 4002674340, 5003342925, 6671123900, 10006685850, 20013371700]

約数ペア:

[(1, 20013371700), (2, 10006685850), (3, 6671123900), (4, 5003342925), (5, 4002674340), (6, 3335561950), (7, 2859053100), (10, 2001337170), (12, 1667780975), (14, 1429526550), (15, 1334224780), (20, 1000668585), (21, 953017700), (25, 800534868), (28, 714763275), (30, 667112390), (35, 571810620), (42, 476508850), (50, 400267434), (60, 333556195), (70, 285905310), (75, 266844956), (84, 238254425), (100, 200133717), (105, 190603540), (140, 142952655), (150, 133422478), (175, 114362124), (210, 95301770), (300, 66711239), (350, 57181062), (420, 47650885), (421, 47537700), (525, 38120708), (700, 28590531), (842, 23768850), (1050, 19060354), (1263, 15845900), (1684, 11884425), (2100, 9530177), (2105, 9507540), (2526, 7922950), (2947, 6791100), (4210, 4753770), (5052, 3961475), (5894, 3395550), (6315, 3169180), (8420, 2376885), (8841, 2263700), (10525, 1901508), (11788, 1697775), (12630, 1584590), (14735, 1358220), (17682, 1131850), (21050, 950754), (22637, 884100), (25260, 792295), (29470, 679110), (31575, 633836), (35364, 565925), (42100, 475377), (44205, 452740), (45274, 442050), (58940, 339555), (63150, 316918), (67911, 294700), (73675, 271644), (88410, 226370), (90548, 221025), (113185, 176820), (126300, 158459), (135822, 147350)]