20179910108

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{349}}^1\times {\mathrm{1741}}^1$

素因数の和:2155

約数の個数: 72

約数和(自身を含む): 39025677600

約数和(自身を除く): 18845767492

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 349, 361, 437, 698, 722, 874, 1396, 1444, 1741, 1748, 3482, 6631, 6964, 8027, 8303, 13262, 16054, 16606, 26524, 32108, 33079, 33212, 40043, 66158, 80086, 125989, 132316, 152513, 160172, 251978, 305026, 503956, 607609, 610052, 628501, 760817, 1215218, 1257002, 1521634, 2430436, 2514004, 2897747, 3043268, 5795494, 11544571, 11590988, 13975007, 14455523, 23089142, 27950014, 28911046, 46178284, 55900028, 57822092, 219346849, 265525133, 438693698, 531050266, 877387396, 1062100532, 5044977527, 10089955054, 20179910108]

約数ペア:

[(1, 20179910108), (2, 10089955054), (4, 5044977527), (19, 1062100532), (23, 877387396), (38, 531050266), (46, 438693698), (76, 265525133), (92, 219346849), (349, 57822092), (361, 55900028), (437, 46178284), (698, 28911046), (722, 27950014), (874, 23089142), (1396, 14455523), (1444, 13975007), (1741, 11590988), (1748, 11544571), (3482, 5795494), (6631, 3043268), (6964, 2897747), (8027, 2514004), (8303, 2430436), (13262, 1521634), (16054, 1257002), (16606, 1215218), (26524, 760817), (32108, 628501), (33079, 610052), (33212, 607609), (40043, 503956), (66158, 305026), (80086, 251978), (125989, 160172), (132316, 152513)]