20648603220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{2341}}^1\times {\mathrm{21001}}^1$

素因数の和:23361

約数の個数: 96

約数和(自身を含む): 66106903296

約数和(自身を除く): 45458300076

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 2341, 4682, 7023, 9364, 11705, 14046, 16387, 21001, 23410, 28092, 32774, 35115, 42002, 46820, 49161, 63003, 65548, 70230, 81935, 84004, 98322, 105005, 126006, 140460, 147007, 163870, 196644, 210010, 245805, 252012, 294014, 315015, 327740, 420020, 441021, 491610, 588028, 630030, 735035, 882042, 983220, 1260060, 1470070, 1764084, 2205105, 2940140, 4410210, 8820420, 49163341, 98326682, 147490023, 196653364, 245816705, 294980046, 344143387, 491633410, 589960092, 688286774, 737450115, 983266820, 1032430161, 1376573548, 1474900230, 1720716935, 2064860322, 2949800460, 3441433870, 4129720644, 5162150805, 6882867740, 10324301610, 20648603220]

約数ペア:

[(1, 20648603220), (2, 10324301610), (3, 6882867740), (4, 5162150805), (5, 4129720644), (6, 3441433870), (7, 2949800460), (10, 2064860322), (12, 1720716935), (14, 1474900230), (15, 1376573548), (20, 1032430161), (21, 983266820), (28, 737450115), (30, 688286774), (35, 589960092), (42, 491633410), (60, 344143387), (70, 294980046), (84, 245816705), (105, 196653364), (140, 147490023), (210, 98326682), (420, 49163341), (2341, 8820420), (4682, 4410210), (7023, 2940140), (9364, 2205105), (11705, 1764084), (14046, 1470070), (16387, 1260060), (21001, 983220), (23410, 882042), (28092, 735035), (32774, 630030), (35115, 588028), (42002, 491610), (46820, 441021), (49161, 420020), (63003, 327740), (65548, 315015), (70230, 294014), (81935, 252012), (84004, 245805), (98322, 210010), (105005, 196644), (126006, 163870), (140460, 147007)]