20870530020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{2341}}^1\times {\mathrm{49529}}^1$

素因数の和:51885

約数の個数: 72

約数和(自身を含む): 63335595960

約数和(自身を除く): 42465065940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 2341, 4682, 7023, 9364, 11705, 14046, 21069, 23410, 28092, 35115, 42138, 46820, 49529, 70230, 84276, 99058, 105345, 140460, 148587, 198116, 210690, 247645, 297174, 421380, 445761, 495290, 594348, 742935, 891522, 990580, 1485870, 1783044, 2228805, 2971740, 4457610, 8915220, 115947389, 231894778, 347842167, 463789556, 579736945, 695684334, 1043526501, 1159473890, 1391368668, 1739210835, 2087053002, 2318947780, 3478421670, 4174106004, 5217632505, 6956843340, 10435265010, 20870530020]

約数ペア:

[(1, 20870530020), (2, 10435265010), (3, 6956843340), (4, 5217632505), (5, 4174106004), (6, 3478421670), (9, 2318947780), (10, 2087053002), (12, 1739210835), (15, 1391368668), (18, 1159473890), (20, 1043526501), (30, 695684334), (36, 579736945), (45, 463789556), (60, 347842167), (90, 231894778), (180, 115947389), (2341, 8915220), (4682, 4457610), (7023, 2971740), (9364, 2228805), (11705, 1783044), (14046, 1485870), (21069, 990580), (23410, 891522), (28092, 742935), (35115, 594348), (42138, 495290), (46820, 445761), (49529, 421380), (70230, 297174), (84276, 247645), (99058, 210690), (105345, 198116), (140460, 148587)]